Christiansen

Christiansen is a surname of Danish and Norwegian origin. It is a patronymic name formed from the given name Christian with the suffix -sen, meaning "son of Christian." Variants include Christensen, Kristensen, and Kristiansen, with spelling often reflecting regional language and historical usage.

The surname is common in Denmark and Norway and has spread through migration to other countries, notably the United States and Canada. In Denmark, Christensen is typically more common, while Christiansen remains a recognized variant, particularly among families with roots in certain regions or in older records.

Notable people with the surname include Lars Christiansen (born 1973), a Danish handball player known for international competition.

See also Christensen, Kristensen, Kristiansen.