Iyasu I (Ge'ez: ??? ?; 1654 - 13 October 1706), throne name Adyam Sagad (Ge'ez: ???? ???), also known as Iyasu the Great, was Emperor of Ethiopia from 19 July 1682 until his death in 1706, and a member of the Solomonic dynasty.

Described as the last "great" Gondarine monarch, Iyasu temporarily halted the trend of decline through his brilliance as a military