Mathey is a surname. Notable people with the surname include:
Dean Mathey (1890–1972), American tennis player George Antonio Bell Mathey (born 1959), better known as George Bell, American baseball player Jean Baptiste Mathey (1630–1696), French architect and painter Paul Mathey (1844–1929), French painter and engraver Pedro Mathey (1928–1985), Peruvian cyclist Roger Mathey (born 1969), American theatrical director, as well as a playwright, actor, producer, and filmmaker
See also Mathey College, is one of six residential colleges at Princeton University, New Jersey Mathey-Tissot, is a Swiss watch maker