Based on the Encyclopaedia Metallum website, these are the Argentinian metal bands:

Band

Genre

Location

Forjador Heavy Metal Goya, Corrientes
Fortaleza Melodic Death/Thrash Metal Córdoba, Córdoba
Fortaleza Heavy Metal Lobos, Buenos Aires
Fortaleza Heavy Metal Posadas, Misiones
Forte Power Metal Buenos Aires City
Fragua Heavy Metal Misiones,Sierra Grande
Frater Melodic Death Metal/Metalcore Buenos Aires, Buenos Aires
From the Ashes Melodic Death Metal Córdoba, Córdoba
Frontal Thrash Metal Banfield, Buenos Aires
Fuego Eterno Heavy/Power Metal Puerto Madryn, Chubut
Fuego Sagrado Power Metal Ushuaia, Tierra Del Fuego
Fuerza Extrema Post-Thrash/Groove Metal Avellaneda, Buenos Aires
Fuerza Oculta Heavy Metal Rafaela, Santa Fe
Fuerzas Thrash Metal Posadas, Misiones
Fughu Progressive Metal Buenos Aires, Buenos Aires
Funeral Under Moon Black Metal Mar Del Plata, Buenos Aires
Funerary Ward Drone/Doom Metal
Fungoid Stream Funeral Doom Metal Buenos Aires, Buenos Aires
Furcas Death Metal Buenos Aires, Buenos Aires
Furia Heavy Metal with Progressive Metal influences Buenos Aires, Buenos Aires
Furia Genética Heavy Metal José C Paz, Buenos Aires
Furor NS Black Metal Buenos Aires, Buenos Aires
Galadryhel Melodic Power Metal Río Gallegos, Santa Cruz
Gargola Heavy/Power Metal Buenos Aires, Buenos Aires
Gastre Death/Thrash Metal Temperley, Buenos Aires
Gauchos de Acero Heavy Metal Salta, Salta
Gebas Heavy Metal Santa Fé, Santa Fé
Genetica Groove Metal Buenos Aires, Buenos Aires
Genocidio Thrash Metal La Plata, Buenos Aires
Genos Thrash/Groove Metal San Salvador de Jujuy
Genosis Death Metal/Grindcore El Dorado, Misiones
Gerbos Heavy Metal
Gerion Heavy Metal Buenos Aires City
Gevurahel Black Metal San Miguel, Buenos Aires
Giltine’s Gintaras Folk/Gothic Metal Quilmes, Buenos Aires
Gitana Heavy Metal Santa Fé, Santa Fé
Gizeh Heavy/Progressive Metal Mar Del Plata, Buenos Aires
Glorian Heavy/Power Metal General Pacheco, Buenos Aires
Glorious Night Symphonic/Melodic Black Metal Escobar, Buenos Aires
God Is Gone Death Metal Bariloche, Rio Negro
Gods of Germania Black Metal Funes, Santa Fe
Gorecult Death Metal Ramos Mejía, Buenos Aires
Granada Thrash/Groove Metal Buenos Aires, Buenos Aires
Grandma Death Metal/Goregrind Rosario, Santa Fe
Greenhouse Effect Thrash Metal Mar Del Plata, Buenos Aires
Greensleeves Heavy Metal Buenos Aires City
Grima Morstua Black Metal Buenos Aires, Buenos Aires
Grinding Satanic Putrefaction Black Metal/Grindcore Buenos Aires, Buenos Aires
Guardianes del Imperio Power Metal Rosario, Santa Fe
Guerrero Inmortal Heavy Metal Freyre, Córdoba
Gurglectomy Brutal Death Metal La Plata, Buenos Aires
Gusano’s Hellmachine Heavy Metal Buenos Aires, Buenos Aires
Guttural Forms Death Metal/Grindcore San Rafael, Mendoza
Habeas Corpus Heavy Metal Gualeguay, Entre Rios
Haborim Thrash/Power/Death Metal Buenos Aires, Buenos Aires
Hachas Thrash Metal Buenos Aires, Buenos Aires
Haciendo Patria Heavy Metal Hurlingham, Buenos Aires
Hakken Heavy Metal/Hard Rock Gral Pacheco, Buenos Aires
Halcon Milenario Heavy Metal, Hard Rock Buenos Aires
Hamelyn Melodic Heavy/Power Metal San Luis, San Luis
Hamestagan Grind Death Metal Ushuaia, Tierra del Fuego
Hammer Groove/Thrash Metal Córdoba, Córdoba
Hanaken Heavy/Power Metal Buenos Aires, Buenos Aires
Hangar 18 Thrash Metal
Harpía Heavy Metal Buenos Aires, Buenos Aires
Harpoon Heavy/Power Metal Buenos Aires, Buenos Aires
Hate Fusion Melodic Death/Thrash Metal San Miguel de Tucumán
Hate Storm Blackened Death Metal La Plata, Buenos Aires
Häxan Symphonic/Gothic Metal Rosario, Santa Fe
Heaven Heavy Metal Banfield, Buenos Aires
Hebron Heavy/Power Metal Santa Fé, Santa Fé
Heimdal Heavy/Power Metal Lanús, Buenos Aires
Heinkel Heavy Metal Buenos Aires, Buenos Aires
Helcaraxe Black Metal Bariloche, Rio Negro
Helizer Traditional/Progressive Metal Buenos Aires, Buenos Aires
Helker Traditional, Power Metal Buenos Aires, Buenos Aires
Hell Breeze Progressive Death Metal/Deathcore Ciudad Autonoma de Buenos Aires
Hellige Black/Sludge/Doom Metal Morón
Hellion Heavy Metal Buenos Aires
Hellsin Heavy Metal San Miguel, Buenos Aires
Hëllvox Death Metal Buenos Aires, Buenos Aires
Helvete Black Metal Concordia, Entre Ríos
Hematuria Death Metal Villa Mercedes, San Luis
Hephesstus Neoclassical Power Metal Puerto Madryn, Chubut
Herion Power Metal Córdoba, Córdoba
Hermes Heavy Metal
Hermética Thrash Metal Buenos Aires City
Heulend Horn Epic Viking/Black Metal Buenos Aires, Buenos Aires
Hexen Heavy Metal Buenos Aires, Buenos Aires
Hidrology Progressive Metal
Hierrock Thrash Metal Córdoba, Córdoba
Hijo de la Aurora Black Metal Don Torcuato, Buenos Aires
Hipnos Heavy Metal Buenos Aires, Buenos Aires
Hirion Heavy/Power Metal Buenos Aires
Histeria Power/Heavy Metal Hurlingham, Buenos Aires
Holter Power/Heavy Metal Ituzaingo, Buenos Aires
Homicide Remains Brutal Death Metal Morón, Buenos Aires
Horcas Heavy/Thrash Metal (early), Groove/Thrash Metal (later) Buenos Aires City
Hostil Thrash Metal Buenos Aires, Buenos Aires
Hostile Monarch Melodic Black Metal Guernica, Buenos Aires
Hostilidad Death/Thrash Metal Río Grande, Tierra Del Fuego
Hoy No Es Hoy Traditional Heavy Metal/Hard Rock Buenos Aires City
Huarpes Heavy Metal Rosario, Santa Fe
Huaykil Heavy Metal, Hard Rock San Juan, San Juan
Humanimal Melodic Power Metal Buenos Aires, Buenos Aires
Hyelish Death/Black Metal Rio Gallegos, Santa Cruz
Ian Heavy Metal Buenos Aires City
Icaro Heavy Metal Burzaco, Buenos Aires
Idus Speed Heavy Metal
Ignición Heavy/Thrash Metal General Rodríguez, Buenos Aires
Illusionation Melodic Death Metal Rosario, Santa Fe
Impeler Traditional Heavy Metal La Rioja, La Rioja
Imperio Power Metal Buenos Aires, Buenos Aires
In Element Melodic Death Metal/Metalcore Buenos Aires, Buenos Aires
In Eternum Gothic/Doom Metal Buenos Aires, Buenos Aires
In Extremis Thrash/Death Metal Corrientes, Corrientes
Incarnadine Power Metal Quilmes, Buenos Aires
Incesto Traditional Metal Area of Santa Fe Province
Independencia Heavy Metal San Justo, Buenos Aires
Inefable Heavy Metal Córdoba, Córdoba
Inexistence Atmospheric Black Metal Buenos Aires, Buenos Aires
Infame Thrash/Power Metal Cipolleti, Rio Negro
Infección Crónica Brutal Death Metal Jardín América, Misiones
Inferi Black Metal Buenos Aires, Buenos Aires
Infernal Curse Black/Death Metal Buenos Aires, Buenos Aires
Infernal Winter Black Metal Buenos Aires, Buenos Aires
Infernus Black Metal Rosario, Santa Fe
Infierno Black Metal San Salvador de Jujuy
Infirmor Melodic Death Metal Bahía Blanca, Buenos Aires
Inflection Death Metal Buenos Aires
Inhumation Grindcore, Death Metal Capitán Bermúdez, Santa Fe
Initial Gravity Progressive Metal San Miguel de Tucuman
Injuria Traditional Heavy Metal Buenos Aires, Buenos Aires
Inmigrantes Heavy Metal Buenos Aires, Buenos Aires
Inmortal Heavy/Gothic Metal Santa Fé, Santa Fé
Inner Demons Melodic Death Metal San Miguel de Tucumán
Insalubrious Virulent Clonation Death Metal/Grindcore Santa Fé, Santa Fé
Insignia Heavy Metal/Hard Rock Buenos Aires, Buenos Aires
Instinto Heavy Metal Córdoba, Córdoba
Insultor Black/Death Metal General Roca, Río Negro
Insurrección Heavy Metal Del Viso, Buenos Aires
Intense Mosh Hardcore/Death Metal/Grind Rosario, Santa Fe
Interferencia Thrash/Death Metal Trelew, Chubut
Invertebral Melodic Death Metal Buenos Aires, Buenos Aires
Invictus Heavy Metal
Invisvm Black Metal Berazategui, Buenos Aires
Iorio y Flavio Heavy Metal, Folk Buenos Aires, Buenos Aires
Irato Heavy Metal Adrogue, Buenos Aires
Iridio Thrash Metal Buenos Aires, Buenos Aires
Iris Heavy Metal Buenos Aires, Buenos Aires
Irisis Power Metal Buenos Aires City
Ironia Progressive Metal
Ivana d’Arc Power Metal with Symphonic/Gothic Influences Buenos Aires, Buenos Aires
Jaktan Heavy Metal Quilmes, Buenos Aires
Jallion’s Power Metal Traditional Heavy Metal Merlo, San Luis
Jason Power Metal San Martín, Buenos Aires
Jerikó Heavy Metal Buenos Aires, Buenos Aires
Jesus Martyr Death/Thrash Metal Buenos Aires, Buenos Aires
Jezabel Power Metal Buenos Aires, Buenos Aires
Jheronimus Bosch Progressive/Stoner Metal Pilar, Buenos Aires
Jorus Heavy/Speed/Thrash Metal Mar del Plata, Buenos Aires
Juramento Power Metal Córdoba, Córdoba
Kaiowas Thrash Metal San Miguel de Tucuman, Tucumán
Kaiser Heavy Metal Buenos Aires, Buenos Aires
Kalpas Power Metal
Kamikaze Heavy Metal Buenos Aires, Buenos Aires
Kapel Maister Symphonic Heavy/Opera Metal Buenos Aires, Buenos Aires
Karma Thrash Metal with Death and Hardcore influences Haedo, Buenos Aires
Karras Death Metal Rio Grande, Tierra del Fuego
Kashat Traditional Heavy Metal Rosario, Santa Fe
Kaustos Thrash Metal Isidro Casanova, Buenos Aires
Kenosis Rhae Thrash Metal Mendoza, Mendoza
Kerigma Death Metal
Keymaker Heavy Metal
Khalos Daimon Heavy Metal/Hard Rock Lujan, Buenos Aires
Khumeia Thrash/Death Metal Buenos Aires, Buenos Aires
Kief Thrash Metal Buenos Aires, Buenos Aires
Kir-K Heavy/Speed Metal La Rioja, La Rioja
Kliffoth Black Metal General Roca, Rio Negro
Kobalto Thrash Metal La Plata, Buenos Aires
Komadreja Thrash Metal, Crossover La Plata, Buenos Aires
Können Heavy Metal Neuquén, Neuquén
Krematorio Brutal Death Metal Corrientes, Corrientes
Kristine Symphonic/Progressive Metal Buenos Aires, Buenos Aires
Kronos Heavy Metal Buenos Aires, Buenos Aires
Kybalion Heavy Metal Lanús, Buenos Aires
Kyrie Eleison Symphonic Power Metal Buenos Aires, Buenos Aires
L6B6T6MY Death Metal Buenos Aires, Buenos Aires
La Banda de Osiris Heavy Metal Area of Buenos Aires
La Cripta Heavy Metal Mercedes, Buenos Aires
La Hoguera Heavy/Thrash Metal Santo Tome, Santa Fe
La Maldad Heavy/Power Metal
La Naranja Melodic Heavy Metal/Hard Rock Buenos Aires, Buenos Aires
Lacro Power Metal Area of Chubut Province
Lapida Death Metal Plaza Huincul, Neuquen
Larry Zavala Heavy Metal Buenos Aires, Buenos Aires
Las Brujas Heavy Metal
Latifundio Heavy/Thrash Metal Concordia, Entre Ríos
Lazaro Thrash/Groove Metal
Le Fou Traditional Heavy Metal, Hard Rock Los Polvorines, Buenos Aires
Leechmaster Heavy Metal with Doom influences San Juan, San Juan
Legado Power Metal Córdoba, Córdoba
Legan Heavy Metal
Legion Heavy/Speed/Thrash Metal Buenos Aires City
Legionario Heavy Metal Villa Santa Rosa, Córdoba
Legionarios Thrash Metal Neuquén, Neuquén
Leonidas Heavy Metal Buenos Aires, Buenos Aires
Letal Heavy Metal Buenos Aires, Buenos Aires
Letanhia Heavy Metal Bahia Blanca, Buenos Aires
Letargo Heavy Metal Buenos Aires, Buenos Aires
Lethal Thrash/Heavy Metal Buenos Aires, Buenos Aires
Levas Heavy Metal Buenos Aires, Buenos Aires
Leviathan Speed/Thrash Metal Buenos Aires City
Línea Venenosa Thrash Metal Buenos Aires, Buenos Aires
Lithuan Melodic/Progressive Metal Buenos Aires, Buenos Aires
Lizzard Heavy Metal
Lobotomy Death Metal Buenos Aires, Buenos Aires
Logan Heavy Metal
Logos Heavy Metal Buenos Aires, Buenos Aires
Looser Thrash Metal Mercedes, Buenos Aires
Lord Divine Power metal Rosario, Santa Fe
Lord Kraven Power Metal Buenos Aires City
Lörihen Heavy/Power Metal Buenos Aires, Buenos Aires
Los Natas Stoner Metal Martinez, Buenos Aires
Los Subversivos Thrash Metal
Lovecraft Melodic Heavy Metal Buenos Aires, Buenos Aires
Lovos Thrash Metal Rosario, Santa Fe
Low End Death Metal/Grindcore Buenos Aires, Buenos Aires
Lugosi Gothic Black Metal Buenos Aires, Buenos Aires
Lumina Gothic Metal Santa Fé, Santa Fé
Lumine Criptica Gothic Metal Buenos Aires
Lunatycas Traditional Metal Buenos Aires, Buenos Aires
Lure of Flames Black Metal Buenos Aires
Luthien Power Metal
Luz de Invierno Doom Metal Buenos Aires, Buenos Aires
Luzabril Gothic Metal Buenos Aires, Buenos Aires
Lykeion Power Metal Hurlingham, Buenos Aires
LZ2 Power Metal/Shred Buenos Aires, Buenos Aires
M.O.R.T.A.J.A. Power Metal Buenos Aires, Buenos Aires
Ma.Lo.Ga Groove/Death Metal Río Grande, Tierra de Fuego
Madam Melodic Traditional Heavy Metal Buenos Aires, Buenos Aires
Magika Hard Rock/Melodic Heavy Metal Buenos Aires, Buenos Aires
Magma Heavy Metal Valle de Punilla, Cordoba
Magnos Heavy Metal Buenos Aires, Buenos Aires
Magra Power Metal Buenos Aires, Buenos Aires
Makabra Death Metal Dolores, Buenos Aires
Makinacion Heavy/Thrash Metal
Mala Medicina Heavy Metal / Hard Rock Buenos Aires
Malacara Traditional Heavy Metal Buenos Aires, Buenos Aires
Malchidiel Death/Thrash Metal
Maleficio Heavy Thrash Metal San Fernando del Valle de Catamarca
Maley Power Metal Rosario, Santa Fe
Malicia Thrash Metal Buenos Aires, Buenos Aires
Malijam Heavy Metal Moron, Buenos Aires
Malón Thrash/Groove Metal Buenos Aires, Buenos Aires
Malory Symphonic Epic Metal
Mamut Heavy Metal Santa Fé, Santa Fé
Man in Pain Heavy Metal Monte Grande
Manga de Bestias Melodic Death Metal Junin, Buenos Aires
Manifiesto Thrash/Heavy Metal Buenos Aires, Buenos Aires
Mantra Heavy Metal Buenos Aires, Buenos Aires
Marcelo Rosso Heavy Metal San Miguel, Buenos Aires
Margento Heavy Metal Buenos Aires, Buenos Aires
Marginal Thrash Metal Buenos Aires, Buenos Aires
Mariana Nannis Black/Doom Metal/Punk Neuquén, Neuquén
Mark I Heavy Metal Buenos Aires, Buenos Aires
Martin Knye Power Metal/Shred Buenos Aires, Buenos Aires
Martin Knye-Magiar Melodic metal / Shred Buenos Aires, Buenos Aires
Martirio Thrash Metal Federación, Entre Ríos
Martyr Death/Thrash Metal Buenos Aires, Buenos Aires
Mastifal Thrash/Death Metal (early), Melodic Death/Modern Metal (later) Colón, Entre Ríos/Buenos Aires City
Matan S.A. Death Metal Claypole, Buenos Aires
Matanza Heavy Metal Buenos Aires, Buenos Aires
Mate Cosido Groove Metal
Maten al Rey Melodic Power Metal
Matheu Heavy/Thrash Metal Rosario, Santa Fe
Mathras Heavy Metal Buenos Aires
Matrero Heavy Metal Banda Rio Sali, Tucumán
Mazorca Heavy Metal Merlo, Buenos Aires
Mechaphonix Heavy Metal Buenos Aires
Megaton Traditional Metal Moreno, Buenos Aires
Mekala Power Metal La Rioja, La Rioja
Melodiam Melodic Power Metal
Mental Disease Melodic Death Metal Rosario, Santa Fe
Mental Distortion Death Metal Buenos Aires, Buenos Aires
Mentes Enfermas Death/Thrash Metal Córdoba, Córdoba
Mentor Thrash Metal Buenos Aires, Buenos Aires
Meremoth Heavy Metal Area of Santa Cruz Province
Messiah Thrash/Death/Groove Metal Mar del Plata, Buenos Aires
Mesthyta Doom / Black Metal San Miguel, Buenos Aires
Metal Anger Heavy/Speed Metal Bahía Blanca, Buenos Aires
Metal’s Herd Heavy Metal Florencio Varela, Buenos Aires
Metalepsia Thrash Metal/Crossover Buenos Aires, Buenos Aires
Metalisis Power/Heavy Metal Buenos Aires, Buenos Aires
Metalkimista Heavy/Thrash Metal Río Grande, Tierra del Fuego
Metallian Traditional Heavy Metal Rosario, Santa Fe
Metaluria Speed Metal San Fernando
Metastasy Death/Thrash Metal Mar Del Plata, Buenos Aires
Metralla Thrash Metal Buenos Aires, Buenos Aires
Metropolis Progressive Metal Rosario, Santa Fe
Midnight Thrash Metal
Milimetrica heavy metal/hard rock Córdoba, Córdoba
Militia Thrash Metal/Crossover Hurlingham, Buenos Aires
Miseria Thrash Metal Santa Fé, Santa Fé
Miserimonium Black/Death Metal Santa Fé, Santa Fé
Misery Heavy Metal Buenos Aires, Buenos Aires
Misterio Heavy/Power Metal General Roca, Rio Negro
Mística Eterna Progressive/Power Metal Santa Rosa, La Pampa
Mistica Power Power Metal
Mitosis Thrash/Death Metal (early), Groove/Thrash Metal (later) Area of Rio Negro Province
Mitriel Power Metal Lomas de Zamora, Buenos Aires
Modus Inferi Symphonic/Power Metal Buenos Aires, Buenos Aires
Molar Heavy Metal Luján, Buenos Aires
Molestando Niños Muertos Groove Metal
Momento Supremo Progressive Death Metal Cañada de Gomez, Santa Fe
Monasterio Heavy/Thrash Metal Neuquén, Neuquén
Montreal Heavy Metal Buenos Aires, Buenos Aires
Moonlight Gothic/Extreme Metal Bahia Blanca, Buenos Aires
Morbid Suffering Death Metal Buenos Aires, Buenos Aires
Morbida Thrash Metal Santa Rosa, La Pampa
Mordant Hate Thrash Metal/Groove Metal Santa Fé, Santa Fé
Mordaz Heavy Metal Buenos Aires, Buenos Aires
Mordaza Thrash Metal Buenos Aires, Buenos Aires
Mordor Brutal Death Metal/Grindcore San Miguel de Tucuman
Morgoth Thrash/Speed Metal Buenos Aires, Buenos Aires
Morgue Goregrind Monte Grande, Buenos Aires
Morgue Death Metal/Grindcore Comodoro Rivadavia, Chubut
Morkt Hedensk Atmospheric Depressive Black Metal Buenos Aires, Buenos Aires
Morlock Heavy Metal
Morrigan Heavy/Progressive Metal Buenos Aires, Buenos Aires
Mortal Thrash/Death Metal Junin, Buenos Aires
Mortu Noferacius Brutal Death Metal
Mortuaria Death Thrash Metal Buenos Aires, Buenos Aires
Mortuario Black/Death Metal Rosario, Santa Fe
Mortuary Death Metal Buenos Aires, Buenos Aires
Mortuorio Death Metal Area of Chubut Province
Mostomalta Death Metal/Hardcore/Melodic Death Mendoza, Mendoza
Motor Heavy Metal Rosario, Santa Fe
Motor Perpetuo Traditional Heavy Metal, Hard Rock Rafaela, Santa Fe
Motor V Heavy Metal Buenos Aires, Buenos Aires
Motorman Heavy/Speed Metal San Martin, Buenos Aires
Murciélago Heavy Metal/Hard Rock Rosario, Santa Fe
Murdock Power Metal La Plata, Buenos Aires
Mürgan Traditional Heavy Metal Area of Buenos Aires
Mutación Heavy Metal
Mutilacion Thrash/Death Metal Neuquén, Neuquén
Mutilador Thrash Metal Villa María, Cordoba
Muunnos Dark Ambient/Black Metal Buenos Aires, Buenos Aires
Mysteria Black Metal Buenos Aires City
Nachtgeblüt Black Metal, Neoclassical Buenos Aires City
Nafak Melodic Death Metal San Pedro, Buenos Aires
Naglfar Infernal Death Metal Area Of Patagonia
Naranja Metalica Heavy Metal Buenos Aires City
Natividad Thrash/Death Metal, Grindcore Buenos Aires City
Nativo Heavy Metal (early), Rock/Pop (later) Buenos Aires
Natural Dementia Heavy Metal Buenos Aires City
Necratal Thrash Metal Tigre, Buenos Aires
Necrhemo Death Metal La Plata, Buenos Aires
Necroabortion Death Metal Buenos Aires City
Necrocarnation Black/Death Metal Buenos Aires City
Necrodaemon Death Metal Caseros, Buenos Aires
Necrofago Thrash/Death Metal
Necrophiliac Death Metal Florencia Varela, Buenos Aires
Necropolis Technical Death Metal Córdoba, Córdoba
Necrópolis Thrash Metal Paraná, Entre Rios
Necropsia Brutal Death Metal/Grindcore Buenos Aires City
Necropsia Grindcore/Brutal Death Metal Jardín América, Misiones
Necrosis Thrash Metal Buenos Aires City
Nefario Black Metal Neuquén, Neuquén
Nefasto Power/Thrash Metal Buenos Aires City
Nefesh Heavy Metal Buenos Aires City
Nekromantik Rites Black/Death Metal Río Negro
Nekron Death Metal Guernica, Buenos Aires
Nëlwyng Melodic Power Metal San Miguel de Tucuman
Nemesis Thrash/Groove Metal Catriel, Rio Negro
Nemoris Black Metal Córdoba, Córdoba
Neoplasia Death Metal Punta Alta, Buenos Aires
Nepal Thrash Metal Buenos Aires City
Nequicia Melodic Death Metal Buenos Aires City
Neron Power/Thrash Metal Villa Urquiza, Buenos Aires
New Blood Thrash/Groove Metal Buenos Aires City
Nexo Thrash/Groove Metal Buenos Aires City
Nibiruth Black Metal Buenos Aires City
Nightkarnation Black Metal Buenos Aires City
Nine Fears Power Metal Buenos Aires City
No.si.vo Death Metal San Rafael, Mendoza
Nocivo Groove Metal Alta Gracia, Cordoba
Nocturnal Evil Black Metal Buenos Aires
Non Serviam Heavy Metal Rosario, Santa Fe
Nordica Melodic Power Metal Neuquén, Neuquén
Norditual Black/Viking Metal
Nostra Turma Progressive Death Metal/Jazz Rosario, Santa Fe
Noxa Death Metal Area of Chaco Province
Nuclear Winter Black Metal
Nueva Etica Metalcore Buenos Aires City
Nuevo Pacto Heavy Metal Buenos Aires
Nuevo Poder Melodic Thrash/Death Metal San Juan, San Juan
Nunca Mas Heavy Metal
Oaken Throne Melodic Death, Viking Metal Cippoletti, Rio Negro
Obitum Death Metal La Quiaca , Jujuy
Oblivione Thrash Metal Buenos Aires City
Obscurus Melodic/Atmospheric Black Metal Buenos Aires City
Obsession Heavy Metal/Hard Rock Buenos Aires City
Obturador Groove Metal
Océano de Sangre Progressive Power Metal
Oconnor Heavy Metal (early), Hard Rock (later) Buenos Aires City
Odeon Thrash Metal Cinco Saltos, Rio Negro
Odisea Traditional Heavy Metal Buenos Aires City
Odisea Heavy Metal Comodoro Rivadavia, Chubut
Ojos Negros Thrash Metal San Justo, Buenos Aires
Onas Thrash/Death Metal Lujan, Buenos Aires
Oniria Gothic Metal Buenos Aires City
Open Mind Heavy Metal Buenos Aires
Opresor Thrash Metal Buenos Aires City
Opus Sinistra Black Metal Buenos Aires City
Orate Death/Black Metal Mar Del Plata, Buenos Aires
Orion Power Metal Buenos Aires City
Orset Thrash Metal Avellaneda, Buenos Aires
Orthanc Heavy/Power Metal Neuquén, Neuquén
Osamenta Thrash Metal Salto, Buenos Aires
Osamente Death Metal, Grindcore Florencio Varela, Buenos Aires
Other Side Heavy Metal Buenos Aires City
Over My Grave Gothic Metal Rosario, Santa Fe
Overdrive Progressive Metal Buenos Aires City
Overdriver Heavy Metal Posadas, Misiones
Overthrow Death Metal Buenos Aires City
Oxido Heavy Metal Comodoro Rivadavia, Chubut
Pablo G. Soler Neoclassical Metal/Shred Buenos Aires City
Pachamama Heavy/Speed Metal Venado Tuerto, Santa Fe
Padieland Epic Power Metal Buenos Aires City
Pagana Usurpacion Black Metal Area of Jujuy Province
Paganos Thrash Metal Buenos Aires City
Pakistan Heavy Metal Córdoba, Córdoba
Pandemia Melodic Doom/Death Metal La Plata, Buenos Aires
Pandemonium Death Metal Area of Santa Cruz Province
Panikos Black Metal Buenos Aires City
Panteon Melodic Death/Black Metal Area of Jujuy Province
Paranoia Heavy/Thrash Metal Buenos Aires City
Paranoia Heavy Metal Buenos Aires City
Paranoia Heavy Metal La Plata, Buenos Aires
Parcas Heavy Metal Buenos Aires City
Patan Heavy Metal Buenos Aires City
Payak Heavy Metal San Fernando del Valle de Catamarca
Pedo Death/Thrash Metal/Punk Neuquén, Neuquén
Penumbras Atmospheric Black/Thrash/Power Metal Rosario, Santa Fe
Percutor 1708 Heavy/Thrash Metal Morón, Buenos Aires
Permafrost Black Metal Buenos Aires City
Perpetua Death Metal/Industrial Buenos Aires City
Perpetua Symphonic Power Metal
Pesten Black Metal Buenos Aires City
Phantom Lord Thrash Metal Rosario, Santa Fe
Phronesys Heavy Metal Buenos Aires City
Piedras & Palos Heavy/Speed Metal with Hardcore Influences Formosa, Formosa
Piramide Power Metal Buenos Aires City
Plan 4 Thrash/Groove Metal Buenos Aires City
Pogrom Death Metal Salta, Salta
Polución Death Metal/Grindcore Gualeguaychú, Entre Ríos
Postuma Aniquilacion Death Metal General Roca
Predador Heavy Metal La Plata, Buenos Aires
Predation Thrash Metal La Plata, Buenos Aires
Predecible Herencia Power Metal Tigre, Buenos Aires
Predicción Thrash Metal Bahia Blanca, Buenos Aires
Preeminencia Thrash Metal Buenos Aires City
Presto Vivace Melodic Progressive Metal Buenos Aires, Buenos Aires
Primer Ministro Heavy/Thrash Metal Concepción del Uruguay, Entre Ríos
Prion Death Metal Buenos Aires City
Prission Thrash Metal Concepción del Uruguay, Entre Ríos
Profanacion Death Metal Salta, Salta
Profanation Death Metal
Profano Heavy/Power Metal Grand Bourg, Buenos Aires
Profanos Heavy Metal
Profecium Black Metal Buenos Aires City
Prog Nois Progressive Metal Buenos Aires City
Pronoia Progressive/Experimental Metal Buenos Aires City
Prophecy Progressive Metal with Black and Doom influences Buenos Aires City
Prosapia Death Metal Córdoba, Córdoba
Prozak Thrash Metal/Crossover La Plata, Buenos Aires
Prusia Progressive Metal
Psicomortis Black/Death Metal Puerto Madryn, Chubut
Psicomuerte Thrash Metal Ciudadela, Buenos Aires
Psicosis Death Metal Río Grande, Tierra de Fuego
Psicotico Groove Metal Buenos Aires City
Psyclown Death Metal
Pudricion Vil Death Metal Libertad, Buenos Aires
Puertas Heavy Metal Buenos Aires City
Punisher Heavy Metal
Pura Sangre Heavy Metal Buenos Aires City
Puta Realidad Thrash/Groove Metal with Hardcore influences Buenos Aires City (also Lower Saxony, Germany)
Pylaghian Heavy/Power/Thrash Metal San Francisco, Cordoba
Qhwertt Drone/Funeral Doom Metal Buenos Aires City
Quemar Traditional/Power Metal Buenos Aires City
Rafnagud NS Black Metal
Rambler Heavy Metal Buenos Aires City
Ramset Heavy/Power Metal Santa Fé, Santa Fé
Random Progressive/Avant-garde Metal Tucumán
Rapaz Heavy Metal Buenos Aires City
Rapier Thrash Metal Florencio Varela, Buenos Aires
Raptor Groove Metal Buenos Aires City
Rata Blanca Traditional/Power Metal Buenos Aires City
Rata Muerta Thrash Metal Rafaela, Santa Fe