Kristian Olaf Bernhard Birkeland (born 13 December 1867 – 15 June 1917) was a Norwegian space physicist, inventor, and professor of physics at the Royal Fredriks University in Oslo.

(born 28 November 1974) an Australian actor best known for his roles as Todd Landers in Neighbours and Leading Seaman Robert Dixon in Sea Patrol.

(born 14 February 1994) a Norwegian triathlete, Olympic and world champion, competing at short course (sprint and standard distance), 70.3 (half-Ironman) and 140.6 (Ironman) distances.

(born 25 November 1975) an actor and DJ from Lisburn, Northern Ireland.

Kristian-Joy Alfonso (born September 5, 1963) is an American actress, former figure skater, and fashion model.

(born 13 March 1999) a Norwegian professional footballer who plays as a midfielder for Serie B club Sassuolo and the Norway national team.

(born 7 May 1973) a Swedish composer, music producer and songwriter.

Kristian Merrill Bush (born March 14, 1970) is an American singer, songwriter, and record producer.

Kristian Majdahl Pedersen (born 4 August 1994) is a Danish professional footballer who plays as a defender for club Swansea City and the Denmark national team.

(born 6 July 1975) an Australian professional rugby league football coach who is the head coach of the Dolphins in the National Rugby League.

(born 18 July 1995) a Norwegian professional footballer who plays as a midfielder for Eliteserien club Molde.