Nickelsen is a surname. Notable people with this surname include: (born 1956), prize-winning poet in the Föhr North Frisian language Garrett Nickelsen, American rock musician, bassist for The Maine (band) Kärin Nickelsen (born 1972), German historian of science John R. Nickelsen, American politician, member of 32nd Oregon Legislative Assembly Josef Nickelsen, Norwegian architect of 1914 Jubilee Exhibition Rasmus Nickelsen, Danish swimmer, competed in Swimming at the 2019 European Youth Summer Olympic Festival Steinar Nickelsen (born 1978), Norwegian jazz musician Wilhelm Nickelsen, Norwegian bridge player, founder of a predecessor organization to the Norwegian Bridge Federation
See also Nicolson Nicholson (surname)