Cognomen Thompsen (Thompsen 
) , in the world, is a rare last name. The surname Thompsen is characteristic of Norway, where it is quite a rare surname, the United States, where it is a rare surname, and Denmark. In absolute terms, it is the most numerous in the United States, Norway, and Brazil. Very seldom, Thompsen is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Thompsen | Norway, Nigeria, United States, Denmark, Brazil |