Thévenet is a French surname. Notable people with the surname include:
Bernard Thévenet (born 1948), French bicycle racer
Saint Claudine Thévenet (1774-1837), French religious woman
Homero Alsina Thevenet (1922–2005), Uruguayan journalist and film critic
Pierre-Louis Thévenet, American production designer, art director and set decorator
Virginie Thévenet (born 1955), French actress and director