Sam Riffice (born 1 March 1999) is an American tennis player.
His mother, Lori Riffice, is a national coach with USTA Player Development. The family relocated to Central Florida to be a part of the USTA National Campus staff when it first opened in January 2017.
Whilst studying at the University of Florida Riffice won the 2021 SEC championship. Riffice then won the 2021 NCAA Singles Tournament at the USTA National Campus where as the No. 6-seed Riffice defeated No. 2-seeded Daniel Rodrigues of South Carolina by a score of 3âÂÂ6, 6âÂÂ1, 6âÂÂ4 in the final. He was also captain of the Florida Gators as they won the 2021 NCAA team title.
Riffice was given his ATP tour debut as a wildcard at the 2021 US Open, where he lost in the first round to 15th seed Grigor Dimitrov.
Riffice graduated from University of Florida in 2022 with a degree in political science. He is currently enrolled in University of Florida's Levin College of Law. He was named to the Intercollegiate Tennis Association Board of Directors as a Special Advisor in July 2025.