Gehennan
Gehennan may refer to:
- A citizen of the Gehennan Empire
- Something deriving from or relating to Gehenna
- The Gehennan Language, spoken in Gehenna and much of central and eastern Geinlund
- The Gehennan Culture, shared by many throughout Geinlund but especially central and western Geinlund.
- A sub-group of Geins that share a common cultural and linguistic background who make up the majority population in Alamannia, Gehenna, Lochland, and Rohn.