Maurice Trintignant was the brother of Bugatti race car driver Louis Trintignant — who was killed in 1933, in practice, at Péronne, Picardy — and the uncle of renowned French film actor Jean-Louis Trintignant.
Maurice Trintignant era irmán do piloto de carreiras de Bugatti Louis Trintignant, que morreu en 1933, na práctica, en Péronne, Picardie, e tío da recoñecido actor de cine francés Jean-Louis Trintignant.