Raúl Ricardo Alfonsín (born 1927) was an Argentine politician who opposed the ruling military junta from 1976 to 1982. In 1983 Alfonsín was elected president of Argentina.

Raúl Ricardo Alfonsín was born in Chascomús, Buenos Aires province, Argentina, on March 13, 1927. After completing primary school, he entered the General San Martín Military Academy, graduating five years later as a second lieutenant (reserve). He joined the Unión Cívica Radical (Radical Civic Union, UCR, also known as Radical party) in 1945 and soon became active in the Movimiento de Intransigencia y Renovación (Movement for Intransigence and Renovation). This was a reform movement that attempted to give new life to the Radical party after its defeat in the February 1946 presidential elections which brought Gen. Juan Domingo Perón to power.

The same year he joined the...