From Sahara +‎ -an.

Saharan (comparative more Saharan, superlative most Saharan)

1. of or pertaining to the Sahara desert

• sub-Saharan

Saharan (plural Saharans)

1. A native or inhabitant of the Sahara.
   • 2005, Erik Jensen, Western Sahara: Anatomy of a Stalemate, page 147:

     A central element in the settlement proposals is the identification and registration of all Western Saharans eligible to vote in the referendum.

Saharan

1. genitive singular of Sahara