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

• Simon I (disambiguation)

Topics referred to by the same term

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