Colonel Joshua Umaru Anaja was the military governor of Plateau State, Nigeria from July 1978 to October 1979 during the military regime of General Olusegun Obasanjo. On 1 October 1979 he handed over to the elected civilian governor Solomon Lar, who assured him that his government would inherit any realistic obligations made the out-going military government. Promoted to Brigadier, Anaja was Director of the Department of Joint Studies at the Armed Forces Command and Staff College, Jaji from 1 February 1984 to 25 May 1985. Anaja died in mysterious circumstances.