Gehlen
- Adolph Ferdinand Gehlen
- Arnold Gehlen
- Duda (footballer, born 1994)
- Galan (disambiguation)
- Galen (disambiguation)
- Galien (disambiguation)
- Gaylon
- Gehlen (disambiguation)
- Gehlen Catholic School
- Gehlen House and Barn
- Gehlen Organization
- Karl Gehlen
- Kurt von Gehlen
- Reinhard Gehlen
- Rhagastis meridionalis
- Walter Gehlen