Maha Dewi () was a Burmese royal title.
It may mean: Maha Dewi of Hanthawaddy: Regent of Hanthawaddy (r. 1383–1384) Maha Dewi of Toungoo: Queen of the Western Palace of Toungoo (r. 1510–1530) Wisutthithewi: Queen Regnant of Lanna Kingdom (r. 1564-1578) Maha Dewi (Sanay Min): Chief Queen Consort of Toungoo Dynasty (r. 1698–1714) Maha Dewi Saw Nyein Oo: Queen Mother of King Alaungpaya