Antonio Ubaldo Rattín (born 16 May 1937) is an Argentine former footballer, best known as a Boca Juniors midfielder, and because of an incident in a match at the 1966 FIFA World Cup.

Following the end of his professional sports career, Rattín became involved in politics, and, in 2001, was elected to the National Chamber of Deputies for the Federalist Unity Party list in Buenos Aires.

[citation needed] In his fourteen-year professional career, Rattín played only for Boca Juniors, winning the Argentine championship in 1962, 1964 and 1965, and the Nacional in 1969.

In 1978 Rattin was briefly employed by Sheffield United as a scout as part of the club's attempts to tap into the emerging South American market.

[1] In 2001, Rattín was elected to the Argentine Chamber of Deputies for the conservative Federalist Unity Party, led by alleged torturer Luis Patti.