William Craig Mooneyham (born August 16, 1960) is a former American professional baseball pitcher for the Oakland Athletics of the Major League Baseball (MLB).

He was originally drafted in 1980 Major League Baseball draft in the 1st round (10th overall), and made his MLB debut on April 19, 1986, with Oakland.

He also played for Edmonton, Nashua, Modesto, Huntsville and Tacoma.

He worked as a Physical Education teacher at Weaver Middle School in Merced, California until 2022, when he retired.

This biographical article relating to an American baseball pitcher born in the 1960s is a stub.