Antonio Olmo Ramírez (born 18 January 1954) is a Spanish retired football defender and manager.

A loan spell with amateurs CF Calella notwithstanding, he played his entire senior career with FC Barcelona, his first two seasons being spent with the B-team in Segunda División.

He made his La Liga debut on 5 September 1976 in a 4–0 home win against UD Las Palmas, going on to be first-choice in that and the following five seasons, often partnering Migueli as stopper.

[1] Olmo earned 13 caps for Spain during three years, his debut coming on 9 February 1977 in a 1–0 friendly win in the Republic of Ireland.

[2] He was selected to the 1978 FIFA World Cup squad, appearing against Brazil (0–0) and Sweden (1–0 win) in an eventual group stage exit.