George Francis Hagerup (22 January 1853 – 8 February 1921) was a Norwegian law professor, diplomat and politician for the Conservative Party.
He was Prime Minister of Norway from 14 October 1895 to 17 February 1898 and from 22 October 1903 to 11 March 1905.
As a legal scholar, he is known for his contributions to the development of public international law, and was chairman of the Institut de Droit International.