Hanssen \ha-nssen, han(s)-sen\ as a boy's name is a variant of Hanson (Scandinavian, German, Danish), and the meaning of Hanssen is "son of Hans".

The baby name Hanssen sounds like Hansson and Hansen. Other similar baby names are Janssen, Benssen, Hanss, Hansel, Hassan, Jansson, Jansen, Hanschen and Tansen.