Eustachy

Eustachy is a given name. Notable people with the name include:

• Eustachy Erazm Sanguszko (1768–1844), Polish general and politician
• Eustachy Sapieha (1881–1963), Polish nobleman, prince, politician, Minister of Foreign Affairs and deputy to the Polish parliament
• Eustachy Stanisław Sanguszko (1842–1903), Polish noble (szlachcic), conservative politician
• Eustachy Tyszkiewicz (1814–1874), Polish–Lithuanian noble, archaeologist and historian from the former Grand Duchy of Lithuania
• Larry Eustachy (born 1955), former NCAA Men's Basketball coach