Eustachy Stanisław Sanguszko (1842–1903), Polish noble (szlachcic), conservative politician
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Eustachy Sapieha (1881–1963), Polish nobleman, prince, politician, Minister of Foreign Affairs and deputy to the Polish parliament
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Eustachy Tyszkiewicz (1814–1874), Polish–Lithuanian noble, archaeologist and historian from the former Grand Duchy of Lithuania
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Larry Eustachy (born 1955), the current head coach of The University of Southern Mississippi's men's basketball team
During the photo scandal, the Register reported that Iowa State documents showed that the NCAA cited Eustachy for rules violations related to paying players, including Jackson Vroman, for making free throws.
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On April 28, 2003; The Des Moines Register carried pictures of Eustachy kissing several young women and holding a beer at a party near the University of Missouri's campus just hours after the Tigers defeated Eustachy's Cyclones on January 22.
Members of the Council were Józef Brudziński, Stanisław Bukowiecki, Stanisław Dzierzbicki, Ludwik Górski, Józef Higersberger, Marian Januszajtis-Żegota, Kazimierz Natanson, Józef Piłsudski, Franciszek Pius Radziwiłł, Wojciech Rostworowski, Eustachy Sapieha, Stanisław Chaniewski, Stanisław Staniszewski, Władysław Studnicki, Artur Śliwiński.