Eusebi Güell i Bacigalupi (Barcelona, 1846 – Barcelona, 1918) was a politician, businessman and patron of the arts; noteworthy is his patronage of Antoni Gaudí.
He studied Law, Social Sciences, Physical and Chemical Sciences, Political Economics and Mathematics in France and England.
Son of Joan Güell i Ferrer (an industrialist who made his fortune in Cuba and defender of protectionism) and Francisca Bacigalupi i Dolcet (member of a family of Genoese bankers established in Barcelona). He married Isabel López i Bru, daughter of the Marquis and Marquise of Comillas, with whom he had ten children. In 1908, King Alphonse XIII made him a count.