Lieutenant-General Ye Win Oo (Burmese: ရဲဝင်းဦး; born 21 February 1966) is a Burmese military officer who is currently serving as the Joint Secretary of State Administration Council (SAC) and the Chief of Military Security Affairs. He was appointed as the Joint Secretary of the SAC on 2 February 2021, in aftermath of the 2021 Myanmar coup d'état.