Antonio Llamas Perezchica (born 20 April 1966) is a Mexican professional baseball player and coach.

He played in Major League Baseball (MLB) as an infielder for the San Francisco Giants and Cleveland Indians from 1988–1992.

With the Double-A Shreveport Captains of the Texas League in 1987 hit .319 with 24 doubles, one triple and 11 home runs in 89 games.

The next season, 1988, Perezchica split time with the Triple-A Phoenix Firebirds and the Major League Giants.

Perezchica played the 1989 season at the Triple-A level with the Phoenix Firebirds of the Pacific Coast League.

He hit a combined .321 with 17 doubles, seven triples, 11 home runs, 33 RBIs and one stolen base in 72 games.

[1] He began his managerial career in 2003 with the Rookie-Level Missoula Osprey and then managed the Single-A South Bend Silver Hawks in 2004, the Double-A Tennessee Smokies in 2005 and then served as the Diamondbacks Minor League fielding coordinator.

[2] The Houston Astros hired Perezchica as third base coach on October 24, 2024, succeeding Gary Pettis.