William Charles Thom (born August 15, 1937) was an American pitcher who is most notable for winning the 1958 College World Series Most Outstanding Player award while a junior at University of Southern California.
He is one of seven players from University of Southern California to win that award.
The others are: Bud Hollowell, Bill Seinsoth, Russ McQueen, George Milke, Rod Boxberger and Wes Rachels He was also an All-American in 1959.
Considered one of the finest pitchers in USC history, he won 10 games and posted a 1.44 ERA in 1959.
He played professional from 1959 to 1962, never reaching the big leagues.