Thiery is a surname. Notable people with the name include:
Benjamin Thiéry (born 1984) French rugby union player Cyrille Thièry (born 1990), Swiss cyclist Henri Thiéry (1829–1872), French journalist and playwright Herman Thiery (1912–1978), Flemish author
See also Alima Boumediene-Thiery (born 1956), French politician Thiry, surname Thierry, given name and surname