Warji is a Local Government Area of Bauchi State, Nigeria. Its headquarters is in the town of Warji.
It has an area of 625 km and a population of 114,720 at the 2006 census.
The postal code of the area is 742.
The weather in Warji fluctuates from oppressive wet season to partly overcast dry season, with temperatures ranging from 56ðF to 102ðF, rarely dropping below 50ðF or exceeding 107ðF.