Jacques Trémolet de Villers (born 6 septembre 1944, Mende, Lozère) is a French writer, lawyer, president of the Catholic traditionalist group La Cité Catholique since the 1980s and monarchist activist in the Restauration nationale movement.
Trémollet de Villers was a collaborator of the far-right politician Jean-Louis Tixier-Vignancour. In 1974 he founded his law practice, where he handled some famous legal matters such as the inheritance issues of Émilien Amaury, the founder of the media group Amaury-Le Parisien. He also handled the affair of disappearance, the defense of Jean-Charles Marchiani, former prefect of Var, as well as that of the mayor Pierre Bernard and that of the war criminal Paul Touvier.
He is also a member of the Cercle de l'Oeillet blanc, headed for a long time by Guy Coutant de Saisseval, and of the association Gens de France. Trémolet de Villers also supports Jean of Orléans, the monarchist candidate to the French throne.