Timothy James Leary (born December 23, 1958, in Santa Monica, California) was a Major League Baseball right-handed pitcher. He is an alumnus of the University of California, Los Angeles where he was a member of the Beta Theta Pi Fraternity.

Drafted by the New York Mets in the 1st round of the 1979 MLB amateur draft, Leary would make his Major League Baseball debut with the New York Mets on April 12, 1981. He would appear in his final game on August 9, 1994.

Leary was a member of the Dodgers team that won the 1988 World Series and the Rangers team that won the 1994 American League Western Division.