Steffen
Steffen is a surname and given name, and may refer to:
- Albert Steffen, Swiss poet, painter, and novelist
- Alex Steffen, American writer and environmental futurist
- Anthony Steffen, Brazilian actor; acted in many spaghetti westerns
- Britta Steffen, German Olympic swimmer
- David Steffen, American businessman and politician
- Hans Steffen, German geographer and explorer of Patagonia
- *Steffen Glacier in the Northern Patagonian Ice Field
- Jason Steffen, American physicist
- Jim Steffen, American professional football player
- Konrad Steffen, glaciologist
- Otto Steffen, American Olympic gymnast
- Waldemar Steffen, German Olympic track and field athlete
- Walter Steffen, American professional football player
- Willi Steffen, Swiss professional football player
- William L. Steffen, Australian climate science expert and researcher
- Kai Steffen, German professional football player
