Seyon

Seyon may refer to:


 * Amda Seyon (usurper), Emperor of Ethiopia for less than one month in 1707
 * Amda Seyon I of Ethiopia, Emperor of Ethiopia (1314–1344), and a member of the Solomonic dynasty
 * Amda Seyon II (1487–1494), Emperor of Ethiopia and a member of the Solomonic dynasty
 * Egwale Seyon of Ethiopia (died 1818), or Gwalu (ጓሉ), nəgusä nägäst (1801–1818) of Ethiopia, and a member of the Solomonic dynasty
 * Yagbe'u Seyon of Ethiopia (1285–1294) Emperor of Ethiopia, and a member of the Solomonic dynasty