Christiansen

== English == === Etymology === From Danish Christiansen or Norwegian Christiansen. Doublet of Christianson. === Proper noun === Christiansen A surname. ==== Derived terms ==== == Danish == === Etymology === Originally a patronymic from Christian +‎ -sen. === Proper noun === Christiansen a common surname originating as a patronymic == Norwegian == === Etymology === Originally a patronymic from Christian +‎ -sen. === Proper noun === Christiansen a surname originating as a patronymic