Jean Delori (25 July 1874 — 23 November 1952) was a Belgian foil fencer and managing director.
Delori competed as at the 1908 Summer Olympics in the open foil event. This event was held a demonstration event. In 1910 he won with the Sint-Michielsgilde team the "Poule nationale par équipe de 6 tireurs" international fencing competition held at the gardens of the Royal Galleries of Ostend. The team consisted of the fencers: Albert Feyerick, Isidore De Vriendt, Jean Delori, Georges Van Wassenhove, Jules Maes and Alberic Rolin.
Delori was a managing director of the Clouterie et Tréfilerie des Flandres during the Interbellum.
In Gentbrugge the street Delorilaan is named after him.