Walter E. Fountain (born November 7, 1961) is a retired United States Army officer who attained the rank of major general. In his final assignment, he served beginning in January 2018 as Director of Domestic Operations and Force Development at the National Guard Bureau. His previous assignments include Assistant to the Chairman of the Joint Chiefs of Staff for National Guard Matters, Deputy Director for Domestic Operations (J-3) at United States Northern Command, Assistant Adjutant General of the Oklahoma National Guard, and acting Deputy Director of the Army National Guard.