John Sullivan (born December 22, 1966) is a former professional tennis player from the United States.

[1] Sullivan attended Clemson University in South Carolina in the late 1980s and was a doubles All-American in 1987.

[2] He made one ATP Tour final, the 1993 Athens International, where he and Royce Deppe were doubles runners-up.

[2] In the men's doubles he and partner Donald Johnson defeated eighth seeds Scott Melville and Gary Muller in the first round, before losing in the second.

[2] His only other Grand Slam appearance came at the 1994 French Open, where he and Kenny Thorne were beaten in the first round of the men's doubles.