Frank Joseph "Lefty" Fanovich (January 11, 1923 – August 27, 2011) was an American Major League Baseball pitcher.

The left-hander played for the Cincinnati Reds during the 1949 season and the Philadelphia Athletics during the 1953 season.

During his MLB career, the 5 ft 11 in (1.80 m), 180 lb (82 kg) Fanovich appeared in 55 games, 51 in relief, and posted a career record of 0–5.

He allowed 106 hits in 105 innings pitched, with 65 bases on balls and 64 strikeouts.

This biographical article relating to an American baseball pitcher born in the 1920s is a stub.