List of State Leaders in 1968 - South America

South America

• Argentina
  • President - Juan Carlos Onganía, President of Argentina (1966–1970)
• Bolivia
  • President - René Barrientos, President of Bolivia (1966–1969)
• Brazil
  • President - Artur da Costa e Silva, President of Brazil (1967–1969)
• Chile
  • President - Eduardo Frei Montalva, President of Chile (1964–1970)
• Colombia
  • President - Carlos Lleras Restrepo, President of Colombia (1966–1970)
• Ecuador
  • President -
    1. Otto Arosemena, President of Ecuador (1966–1968)
    2. José María Velasco Ibarra, President of Ecuador (1968–1972)
• Guyana
  • Monarch - Elizabeth II, Queen of Guyana (1966–1970)
  • Governor-General - Sir David Rose, Governor-General of Guyana (1966–1969)
  • Prime Minister - Forbes Burnham, Prime Minister of Guyana (1964–1980)
• Paraguay
  • President - Alfredo Stroessner, President of Paraguay (1954–1989)
• Peru
  • Head of State -
    1. Fernando Belaúnde Terry, President of Peru (1963–1968)
    2. Juan Velasco Alvarado, President of the Revolutionary Government of the Armed Forces of Peru (1968–1975)
  • Prime Minister -
    1. Raúl Ferrero Rebagliati, President of the Council of Ministers of Peru (1967–1968)
    2. Oswaldo Hercelles García, President of the Council of Ministers of Peru (1968)
    3. Miguel Mujica Gallo, President of the Council of Ministers of Peru (1968)
    4. Ernesto Montagne Sánchez, President of the Council of Ministers of Peru (1968–1973)
• Uruguay
  • President - Jorge Pacheco Areco, President of Uruguay (1967–1972)
• Venezuela
  • President - Raúl Leoni, President of Venezuela (1964–1969)