Kelly Marie Cheng (née Claes, born September 18, 1995) is an American beach volleyball player.

Cheng was born in Fullerton, California, to Paul, a former San Diego State baseball player, and Quincy.

[2] During her sophomore year she rejoined former partner Sara Hughes and won the AVCA Pairs National Championship.

During their junior and senior years Cheng and Hughes led the USC Trojans to back-to-back NCAA Championships in 2016 and 2017.

In her first year as a professional, Cheng won her first AVP Gold Series Championships in Chicago with college partner Sara Hughes.