Antonio Pedro Osuna (born April 12, 1973) is a Mexican former professional baseball pitcher, who played for the Los Angeles Dodgers, Chicago White Sox, New York Yankees, San Diego Padres, and Washington Nationals during his 11-year Major League Baseball (MLB) career.

Nicknamed "El Cañón" (The Cannon) in his native Mexico, Osuna signed with the Los Angeles Dodgers in 1991, and made his major league debut with them in 1995, appearing in 39 games for them that year.

On January 15, 2003, he was traded to the New York Yankees with minor leaguer Delvis Lantigua for Orlando Hernández.

He pitched only 2 1/3 innings with the Nats giving up 11 earned runs before he was placed on the disabled list on April 18.

In 2007, Osuna pitched in the Triple-A Mexican League for the Tigres de Quintana Roo recording a 1.61 ERA in 22 games and being named to the midseason All-Star team.