Giles Smith (born November 28, 1991) is an American competitive swimmer who specializes in the butterfly and freestyle events.

During his freshman year with the Volunteers, Smith was a member of the 200 and 800-yard freestyle relays at the 2011 Men's NCAA Division I Championships and earned All-American Honors.

[4] At the 2012 Men's NCAA Division I Championships as a sophomore, Smith placed second in the 100-yard butterfly and 14th in the 100-yard freestyle.

[5] At the 2010 USA Swimming Championships, Smith achieved his first Olympic Trial cuts in the 100m freestyle and butterfly.

Smith was a member of the inaugural International Swimming League (ISL) representing DC Trident.