This is a list of Naval Forces from Argentina that took part in the Falklands War. The ships either took part in the initial invasion of the Falkland Islands or South Georgia, although few of the ARA ships actually battled the Royal Navy.

For a list of Naval Forces from the United Kingdom, see British Naval Forces in the Falklands War.

Armada Republica Argentina

• ARA Alferez Sobral - sunk by Westland Lynx helicopter from HMS Glasgow (D88)
• ARA Almirante Irizar - hospital ship
• ARA Bahia Buen Suceso - sunk by Sea Harrier
• ARA Bahia Paraiso - Polar vessel
• ARA Cabo San Antonio - Amphibious landing ship
• ARA Comodoro Py - Destroyer
• ARA Segui - Destroyer
• ARA Comodoro Somellara - Patrol vessel
• ARA Francisco de Gurruchaga - Patrol vessel
• ARA Drummond - *ARA Frigate
• ARA Granville - Frigate
• ARA General Belgrano- sunk by HMS Conqueror (S48)
• ARA Hercules - Type 42 Destroyer
• ARA Santisima - Type 42 Destroyer
• ARA Hipolito Bouchard - escort ship of General Belgrano
• ARA Piedra Buena - escort ship of General Belgrano
• ARA Isla de los Estados- transport ship sunk by HMS Alacrity (F174) in Falkland Sound
• ARA Punta Medanos -Fleet tanker
• ARA San Luis- submarine
• ARA Santa Fe- submarine, disabled by missile fired by a Wasp helicopter from HMS Endurance, scuttled
• ARA Veinticinco de Mayo- aircraft carrier

Argentine Coastguard ships

• GC-82 Islas Malvinas - captured by British and renamed HMS Tiger Bay
• GC-83 Rio Iguazu -sunk by Sea Harriers

Argentine Merchant Navy Ships

• Formosa- attacked by Argentine Seahawks by error
• Lago Argentino - ELMA cargo ship
• Rio Cincek - ELMA cargo ship
• Narwal - fishing trawler used for spying, captured by Royal Marines
• Puerto Rosales - Commercial tanker
• Rio Carcarana - ELMA cargo ship, sunk by Sea Harriers
• Rio de la Plata- spied off Ascension Island
• Yehuin - captured and renamed Falkland Sound