Oscar Raimundo Martín (23 June 1934 in Buenos Aires - 12 February 2018) was an Argentine footballer.

In 1959 he moved to the second league club Chacarita Juniors, who helped get promoted to the Primera División.

With Racing, he won the Argentine Championship in 1966 and the Copa Libertadores in 1967 (Martín played in all three final matches with Nacional Montevideo, in which he served as captain).

He also captained Racing to victory in the Intercontinental Cup, again playing in all three matches against Scottish club Celtic.

[3] Oscar Martín made his international debut for Argentina on 10 March 1963 in a 4–2 win against Colombia in the South American Championship held in Bolivia.