Thiry is a surname. Notable people with the name include:
Bruno Thiry (born 1962), Belgian rally driver Jean Bastien-Thiry (1927–1963), attempted to assassinate French President Charles de Gaulle Jules Thiry (1898–1931), Belgian water polo player Louis Thiry (born 1935), French organist, composer and pedagogue Marcel Thiry (1897–1977), French-speaking Belgian poet Paul Thiry (architect) (1904–1993), known as the father of modernism in the Pacific Northwest
See also Thiery (surname) Thierry, given name and surname