Simson may refer to:
- Simson (company), a German company that produced firearms, automobiles, motorcycles, and mopeds
- Simson Garfinkel, a prolific writer and researcher in the field of computer security and privacy.
- Simson line in geometry, named for Robert Simson
- Simson Provincial Park in Canada
- KSV Simson Bremen, German football club
- Simson, Rayen, retired Dutch/Surinamese kickboxing and Muay Thai world champion