Arbaces was the founder of the Median Empire according to Ctesias.

Arbaces may also refer to:

• Harpagus, Median general of the 6th century BC
• Arbaces (satrap)
• Arbaces, the protagonist of the Jacobean play A King and No King
• Arbacès, character of the Alix comics

This disambiguation page lists articles associated with the title Arbaces.
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