Stephen Edward "Steve" Hegg (born December 3, 1963) is a retired track cyclist and road bicycle racer from the United States, who was a professional rider from 1988 to 2000. He represented the US at the 1984 Summer Olympics in Los Angeles, California, where he won the gold medal in the 4000m individual pursuit and silver in the 4000m team pursuit.

In road bicycle racing, Hegg became the first three-time winner of the United States national individual time trial championship, winning the elite men's race in 1990, 1995 and 1996. In 1994, Hegg captured the United States national road race championship.