Olaf I of Denmark (Danish: Oluf Hunger) (c. 1050 – 18 August 1095) is king of Denmark from 1086 to 1095, following the death of his brother Canute IV the Saint.
He is a son of king Sweyn II Estridsson, and the third of Sweyn's sons to rule.
He marries Ingegard, the daughter of Harald Hardråde, but does not have any children.