Robert Seguso (born May 1, 1963 in Minneapolis, Minnesota) is a former professional tennis player from the United States. A doubles specialist, he won 4 Grand Slam men's doubles titles (2 Wimbledon, 1 French Open and 1 US Open). He also won the men's doubles Gold Medal at the 1988 Olympic Games in Seoul, partnering Ken Flach. Seguso reached the World No. 1 doubles ranking in 1985. He won a total of 29 career doubles titles between 1984 and 1991. Seguso played doubles with Flach on the US Davis Cup team from 1985-91, compiling an 10-2 record. He was also a member of the US team which won the World Team Cup in 1985.
Prior to turning professional, Seguso played tennis for Southern Illinois University-Edwardsville, where he was an NCAA Division II singles finalist in 1982 and Division I doubles finalist in 1983.
Seguso married the Canadian tennis player Carling Bassett in 1987. The couple have a son named Holden John Seguso, who was born in 1988.
