Simeon I

Simeon I may refer to:


 * Simon I (High Priest) (310–291 or 300–270 BCE), in the Temple in Jerusalem
 * Simeon I, Caucasian Albanian Catholicos in 706–707
 * Simeon I of Bulgaria (864/865 – 927)
 * Simeon of Moscow, Simeon Ivanovich Gordyi (the Proud), (1316–1353), Prince of Moscow and Grand Prince of Vladimir
 * Simeon I of Yerevan, Catholicos of All Armenians in 1763–1780