Steve Herdoiza

Stephen Herdoiza (born July 21, 1969) is an American former professional tennis player.

A native of Bloomfield Hills, Michigan, Herdoiza played collegiate tennis for Northwestern University from 1988 to 1991, earning All-Big 10 selection all four years. He won the Big 10 singles title in 1989, then in 1990 reached the quarter-finals of the NCAA championships and was named an All-American. In 1990 he was also a member of Northwestern's Big Ten championship winning team, playing beside future world number four Todd Martin.

Herdoiza, who reached a best singles world ranking of 281, made his only ATP Tour main draw appearance as a qualifier at the 1995 Canadian Open, where he was beaten in the first round by Mark Philippoussis.