Jean René Albert Berthollier (23 January 1928 – 4 January 2023), better known by the stage name of Jean Bertho, was a French actor and film director. He rose to popularity due to his participation in the television show Les Jeux de 20 heures, as well as Jean Amadou's show, C'est pas sérieux.

Berthollier was born in Pont-à-Mousson on 23 January 1928. He studied at the Conservatoire d'art dramatique de Nancy and was later instructed by Charles Dullin alongside the likes of Jean Rochefort and Jean-Pierre Marielle. From 1949 to 1959, he was an actor, appearing in close to thirty films, television shows, and plays.