Timoléon can be a masculine given name or a middle name. Notable people with the name include:
Given name Timoléon C. Brutus, Haitian politician and historian Timoléon d'Espinay, French soldier Timoléon Cheminais de Montaigu, French Jesuit pulpit orator
Middle name Artus Timoléon Louis de Cossé, 5th Duke of Brissac, French nobleman Charles Timoléon Louis de Cossé, 6th Duke of Brissac, French nobleman Jean Paul Timoléon de Cossé, 7th Duke of Brissac, French general Louis Hercule Timoléon de Cossé, 8th Duke of Brissac, French military commander