Carlos Gimeno Valero (born 25 June 2001) is a Spanish tennis player.

Gimeno Valero has a career high ATP singles ranking of World No.

12 in the world, in the combined singles and doubles junior ranking system.

This was highlighted by a runner-up finish at the 2019 Wimbledon where he was defeated in the championship match by Japanese player Shintaro Mochizuki in straight sets 3–6, 2–6.

Gimeno Valero has reached four career ITF singles finals winning all of them for a record of 4–0, which includes winning one ATP Challenger title, the Gran Canaria 2 Challenger in March 2021, where he defeated Belgian Kimmer Coppejans in straight sets in the final.