Halvorsen
Halvorsen is a Norwegian patronymic surname which may refer to:
- Aasmund Halvorsen Vinje (1851–1917), Norwegian politician for the Liberal Party
- Asbjørn Halvorsen (1898–1955), Norwegian footballer.
- Birger Halvorsen (1905–1976), Norwegian high jumper
- Einfrid Halvorsen, Norwegian politician for the Labour Party
- Gail Halvorsen, American command pilot
- Gunnar Halvorsen (1945–2006), Norwegian politician for the Labour Party
- Harald Halvorsen, Norwegian gymnast
- Harald Halvorsen (politician), Norwegian politician for the Labour Party
- Håvard Halvorsen, Norwegian football defender
- Hjalmer S. Halvorsen (1884-1970), American politician
- Jan Halvor Halvorsen, Norwegian football manager
- Johan Halvorsen (1864–1935), Norwegian composer, conductor and violinist
- Johan Magnus Halvorsen, Norwegian politician for the Liberal Party
- John Halvorsen, Norwegian long-distance runner
- Kristin Halvorsen, Norwegian socialist politician
- Lars Halvorsen and Sons, boat builders
- Mette Halvorsen, Norwegian curler
- Otto Bahr Halvorsen (1872–1923), Norwegian politician from the Conservative Party
- Stian Lind Halvorsen, Norwegian football defender
- Tor Halvorsen (1930–1987), Norwegian trade unionist and politician for the Labour Party
- Tore Halvorsen, Norwegian entrepreneur and CEO of FMC Technologies
- Trond Halvorsen Wirstad (1904–1985), Norwegian politician for the Centre Party
- Sigurd Halvorsen Johannessen (1881–1964), Norwegian acting councillor of state