Roger Rondeaux (15 April 1920 in Mareuil-le-Port, France – 24 January 1999 in La Rochelle, France) is a former cyclo-cross racer from France who was a professional from 1947 to 1958.
Rondeaux won the World Cyclo-cross Championships three times in 1951, 1952, and 1953, was Cyclo-cross Champion of France seven times between 1947 and 1954.
Rondeaux had been beaten in the first edition of the Cyclo-cross world championships by Jean Robic in a sprint.