Denis Leproux (; born 16 December 1964) is a French former racing cyclist. He rode in the 1998 Tour de France, where he finished 39th overall.

Major results 1986 3rd Overall Tour du Limousin 1st Stage 1 1987 3rd Polymultipliée 4th Overall Circuit Cycliste Sarthe 1988 7th GP de la Ville de Rennes 1992 1st Overall Tour de l'Ain 1997 1st Overall Ronde de l'Isard 2nd Overall Circuit des Mines 1999 6th Tour du Doubs 9th Overall Tour de Pologne 2000 1st Stage 4 Tour de l'Ain

References