Willemsen
Willemsen may refer to:
- August Willemsen, Dutch translator of Portuguese and Brazilian literature
- Daniël Willemsen, Dutch sidecarcross rider and nine times World Champion
- Elfje Willemsen, Belgian bobsledder who has competed since 2007
- Madeline Willemsen, Puerto Rican actress and comedian
- Marcel Willemsen, Dutch sidecarcross passenger and 1999 World Champion
- Mike Willemsen, Dutch DJ, record producer, musician
- Roger Willemsen, German author, essayist and TV presenter
