1991 in Argentina

Incumbents

• President: Carlos Menem
• Vice president: Eduardo Duhalde

  Events

• 26 March - Argentina signs the Treaty of Asunción with Brazil, Uruguay and Paraguay, establishing the South Common Market.

  Births

• 7 October - Brenda Asnicar, actress and singer
• 10 October - Lali Espósito, actress, singer, dancer and model
• 11 December - Gastón Soffritti, actor

  Deaths

• 24 February - Héctor Rial, Argentinian footballer