Frederick Peter Fass (October 30, 1859 – July 5, 1930) was a professional baseball player.
He was a pitcher for one season (1887) with the Indianapolis Hoosiers.
For his career, he compiled an 0–1 record in four appearances, recording a 10.34 earned run average and no strikeouts.
He died in Burnt Mill, Colorado at the age of 70.