Oliver Samuel Edward Michael Campbell (February 25, 1871 – July 11, 1953) was an American male tennis player who won the three consecutive singles titles at the U.S. Championships from 1890 through 1892.

Campbell was educated at Columbia College, graduating in 1891 and was posthumously inducted into the Athletics Hall of Fame in 2010.

[2] For over a century, Campbell had the honour of being the youngest male player to win the U.S. singles title.

That record went to fellow American Pete Sampras, 19 years and 28 days, when he won the title in 1990.

[6] His other career singles highlights include winning the Tropical Championships on hard courts at the St. Augustine, Florida on four occcasions (1889–1891, 1894).