The surname Løken or Loken may refer to:
Astrid Løken (1911–2008), Norwegian entomologist and WWII resistance member Bård Løken (born 1964), Norwegian photographer Johan Christen Løken (1944–2017), Norwegian politician Karl Petter Løken (born 1966), Norwegian football player Kristian Løken (1884–1961), Norwegian military officer Håkon Løken (1859–1923), Norwegian jurist, journalist, newspaper editor and non-fiction writer Hjalmar Løken (1852–1932), Norwegian jurist and newspaper editor Martin Løken (1863–1942), Norwegian politician Monica Løken, Norwegian handball player Olaug Løken (1854–1925), Norwegian writer and activist Sverre Løken (born 1960), Norwegian rower Brent Loken, ecologist, social scientist, conservationist, and social entrepreneur George Fredrick Loken (1906–1975), Canadian businessman and politician in Saskatchewan James B. Loken (born 1940), American jurist Kristanna Loken (born 1979), American actress and model Newt Loken (1919–2011), American artistic gymnast and coach