Stanley Perzanowski (born August 25, 1950) is an American former Major League Baseball pitcher.

Perzanowski made his major league debut for the White Sox at age 20.

After spending 1972 and 1973 in the minors, he re-emerged with the White Sox, recording a 19.29 ERA in 2.1 innings.

Perzanowski was traded from the White Sox to the Texas Rangers for Steve Dunning on February 25, 1975.

Perzanowski decided it was time to retire, ending his Major League career.