Ottavio Acquaviva d'Aragona (1609–1674)

Ottavio Acquaviva d'Aragona, iuniore (1609–1674) was a Roman Catholic cardinal.

He was Camerlengo of the Sacred College of Cardinals between 1669 and 1671 and he participated in 3 conclaves (1665, 1667 and 1669–1670).