Eustaquio is a given name. Notable people with the name include:
*Eustaquio Escandón (1862–1933), Mexican polo player in the 1900 Summer Olympics
*Eustaquio Ilundáin y Esteban (1862–1937), Cardinal of the Roman Catholic Church, Archbishop of Seville
*José Eustaquio Alves Lemos Filho (born 1993), Brazilian professional footballer
*Eustáquio van Lieshout, SS.CC., (1890–1943), Dutch missionary in Brazil
*Palhinha (Vanderlei Eustaquio de Oliveira) (born 1950), retired Brazilian football player
*Eustaquio Pedroso (1886 – death date unknown), Cuban baseball pitcher
*Eustaquio Mira Ramos (born 1962), wheelchair basketball athlete from Spain
*Eustaquio Díaz Vélez (1782–1856), Argentine military officer
See also
*Mauro Eustáquio (born 1993), Canadian footballer, brother of Stephen
*Stephen Eustáquio (born 1996), Canadian footballer, brother of Mauro
*Eustaquio Méndez Province, province in the north-western parts of the Bolivian department Tarija
*Eustace
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