Hoos is a surname. Notable people with the surname include:
Jan de Witte (bishop), 16th century Edward Hoos (born 1850), former mayor of Jersey City Robert John Hoos (born 1876), tax commissioner Fred Hoos (born 1953), Canadian hockey player Herbert Hoos (born 1965), German footballer Steffen Hoos (born 1968), German biathlete
Holger H. Hoos (born 1969), German-Canadian computer scientist Laurien Hoos (born 1983), Dutch athlete
See also Hoo (disambiguation)