Thiry

{{Hatnote|Not to be confused with Thirty. For the given name, see Thierry.}}

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