← 1954 1953 1952 1955 in Argentina → 1956 1957 1958
Decades:	1930s 1940s 1950s 1960s 1970s
See also:	Other events of 1955 List of years in Argentina

Events in the year 1955 in Argentina.

Incumbents

• President: Juan Peron until September 21, Eduardo Lonardi until November 12, Pedro Eugenio Aramburu
• Vice President: Alberto Teisaire until September 23, Isaac Rojas

Governors

• Buenos Aires Province:
  • until 25 September: Carlos Aloé
  • 25 September-10 November: Arturo Ossorio Arana
  • from 10 November: Juan María Mathet
• Cordoba: Raúl Lucini
• Mendoza Province:
  • until 15 September: Carlos Horacio Evans
  • 15 September-13 December: Roberto Nazar
  • from 13 December: Héctor Ladvocat

Vice Governors

• Buenos Aires Province: vacant

Events

• June 16 - Bombing of Plaza de Mayo: failed attempt by Argentine Naval Aviation to overthrow President Peron
• September 16 - Revolución Libertadora: Peron overthrown
• September-Major General Eduardo Lonardi took office as president. He wanted to rebuild the democratic government, but was overthrown.^[1]
• September- Major General Pedro Eugenio Aramburu overthrew Lonardi.^[1]

Births

Deaths

• June 16 - Benjamín Gargiulo, vice-admiral, suicide