Kimmer Coppejans (born 7 February 1994) is a Belgian tennis player. His highest ATP singles ranking is world No. 97, achieved in June 2015. Coppejans competes mainly on the ATP Challenger Tour.
He was the Junior Champion at the 2012 French Open, defeating Filip Peliwo of Canada in the final.
He qualified for the 2023 Wimbledon Championships making his debut at this Major. He lost to Alex de Minaur in the first round.
In 2026 he was selected as the United Cup team Belgium second-ranked player.