Thomsen is a patronymic surname meaning "son of Tom (or Thomas)". There are varied spellings. Thomsen may refer to:
- Britta Thomsen
- Christian Jürgensen Thomsen
- Claus Thomsen
- Grímur Thomsen
- Hans Peter Jørgen Julius Thomsen
- Hasse Thomsén
- Ib Thomsen
- Martha Thomsen
- Martinus Thomsen
- Stu Thomsen
- Tue Bjørn Thomsen
- Ulrich Thomsen
- Vilhelm Thomsen
See also
