William Siderewicz (February 21, 1936 – March 7, 2023) was an American football coach.
[3] Later, he attended Ball State University, where he played football and baseball.
[3] Siderewicz started his career with Peru HS as an assistant football coach.
[3] Between 1970 and 1999, Siderewicz was the coach of the Martinsville football team.
[4][5] In July 1993, Siderewicz was included in the Indiana Football Hall of Fame.