William Collick (born c.1951) is an American former football and wrestling coach and college athletics administrator. He served as the head football coach at Delaware State University from 1985 to 1996, compiling a record of 81–48. Collick was also the athletic director at Delaware State from 1996 to 2000. After leaving Delaware State, Collick coached high school football, as head football coach at Sussex Technical High School in Georgetown, Delaware from 2000 to 2009 and Cape Henlopen High School in Lewes, Delaware from 2010 until his retirement following the 2017 season.

In 1998 Collick was inducted into the Delaware Sports Hall of Fame.

Head coaching record

College football

YearTeamOverallConferenceStandingBowl/playoffsNCAA#
Delaware State Hornets (Mid-Eastern Athletic Conference) (1985–1996)
1985Delaware State9–24–01stT–12
1986Delaware State7–43–2T–2nd
1987Delaware State9–15–01st20
1988Delaware State5–54–2T–1st
1989Delaware State7–45–11st
1990Delaware State7–34–23rd
1991Delaware State9–25–1T–1st
1992Delaware State6–53–3T–4th
1993Delaware State6–54–2T–2nd
1994Delaware State7–44–22nd
1995Delaware State6–55–12nd
1996Delaware State3–82–5T–6th
Delaware State:81–4848–21
Total:81–48
National championship Conference title Conference division title or championship game berth