1966 in Argentina

Events from the year 1966 in Argentina.

Incumbents

 * President: Arturo Umberto Illia (1 January - 28 June), Juan Carlos Onganía (29 June - 31 December)
 * Vice president: Carlos Humberto Perette (1 January - 28 June), vacant

Governors

 * Buenos Aires Province:
 * until 28 June: Anselmo Marini
 * 28 June-5 July: Jorge Von Stecher
 * from 5 July: Francisco A. Imaz
 * Cordoba: Justo Páez Molina (until 28 June)
 * Chubut Province: Manuel Pío Raso then Carlos Arturo Vellegal then Gerardo Ojanguren then Rodolfo Varela
 * Mendoza Province:
 * until 28 June: Francisco Gabrielli
 * 28 June-22 July: Tomás José Caballero
 * from 22 July: José Eugenio Blanco
 * Santa Fe Province: Aldo Tessio (until 28 June); Carlos Sylvestre Begnis (from 28 June)

Vice Governors

 * Buenos Aires Province: vacant

Events

 * 29 July – La Noche de los Bastones Largos

Births

 * 11 August – Juan María Solare, composer and pianist
 * 18 August – Gustavo Charif, artist

Deaths

 * 26 December – Guillermo Stábile, footballer and manager (b. 1905)