Hagerup is a surname. Notable people with the surname include:
Caspar Peter Hagerup (1777–1840), Norwegian civil servantEdvard Hagerup (1781–1853), Norwegian solicitor and politicianEdvard Hagerup Bull (1855–1938), Norwegian judge and politician for the Conservative PartyEdvard Hagerup Bull (composer) (1922–2012), Norwegian composerEiler Hagerup Krog Prytz, Jr. (1883–1963), Norwegian goldsmithEiler Hagerup Krog Prytz, Sr. (1812–1900), Norwegian bailiff and politicianFrancis Hagerup (1853–1921), Norwegian lawyer, diplomat and politician for the Conservative PartyHans Hagerup Falbe (1772–1830), the Norwegian Minister of Auditing, Minister of the Navy and Minister of JusticeHans Hagerup Krag (1829–1907), Norwegian engineerHenrik Steffens Hagerup (1806–1859), Norwegian naval officer and politician who served as Minister of the NavyInger Hagerup (1905–1985), Norwegian author, playwright and poetKlaus Hagerup (born 1946), Norwegian author, translator, screenwriter, actor and directorMathias Hagerup (1765–1822), Norwegian director general in Stockholm and acting state secretary to the Council of State Division in StockholmOlaf Hagerup (1889–1961), Danish botanistSverre Hagerup Bull (1892–1976), Norwegian banker, composer and writer