Look up Danielsen in Wiktionary, the free dictionary.
Danielsen is a Nordic surname, originally meaning son of Daniel. Notable people with the surname include:
- Åge Danielsen (born 1942), Norwegian civil servant
- Anders Danielsen Lie (born 1979), Norwegian actor, musician and medical doctor
- André Danielsen (born 1985), Norwegian professional footballer
- Atli Danielsen (born 1983), Faroese footballer
- Dag Danielsen (born 1955), Norwegian politician
- Egil Danielsen (1933–2019), former Norwegian javelin thrower
- Erling Danielsen (1922–2010), Norwegian politician for the Christian Democratic Party
- Harry Danielsen (1936–2011), Norwegian educator and politician for the Conservative Party
- Henrik Danielsen (born 1966), Danish-Icelandic chess grandmaster
- Jan Werner Danielsen (1976–2006), Norwegian pop, classical, and rock singer
- Joen Danielsen (1843–1926), traditional Faroese poet writing in the Faroese language
- John Danielsen (born 1939), Danish footballer
- Kristin Danielsen, Norwegian orienteering competitor
- Reidar Danielsen (1916–2000), Norwegian civil servant
- Rolf Danielsen (1922–2002), Norwegian historian
- Sean Danielsen American guitarist and vocalist for Smile Empty Soul and World Fire Brigade
- Steffan Danielsen (1922–1976), Faroese painter
- Victor Danielsen (1894–1961), the first Faroese Bible translator and Plymouth Brethren missionary
- Vince Danielsen (born 1971), former professional Canadian football receiver
- William Danielsen (1915–1989), Norwegian footballer
Other
- MV Karen Danielsen, multipurpose container feeder, built in March 1985 by J.J. Sietas KG