Timoleon can be a masculine given name or a middle name. Notable people with the name include:

Given name Timoleon Ambelas, Greek poet Timoleon Argyropoulos, Greek-born physicist, mathematician, and author Timoleon Filimon, Greek journalist, politician, intellectual, and tutor Timoleon Raimondi, Italian-born bishop of Hong Kong Timoleon Razelos, Greek sailor Timoleon Tsourekas (born 1970), Greek cross-country skier and coach Timoleon Vassos, Hellenic Army officer

Middle name Julius Timoleon Ducatel, American chemist Carl Timoleon von Neff, Russian artist