Agamemnon may refer to:

Mythology

• Agamemnon, one of the most distinguished of the heroes of Greek mythology
  • A character based on the Greek hero in Shakespeare's Troilus and Cressida
  • Agamemnon (Zeus), an epithet of the Greek god Zeus
  • Agamemnon of Cyme in Aeolia

Theater

• Agamemnon (play), the first part of Aeschylus' Greek tragedy, the Oresteia
• Agamemnon (Thomson play), a 1738 play by James Thomson

Fiction

• Agamemnon (Dune), a fictional character in the Legends of Dune series of books
• Agamemnon (Pantheon), a fictional character in the Marvel Comics universe
• Agamemnon Busmalis, a fictional character from the HBO television series Oz
• Agamemnon (Seneca)

Music

• "Agamemnon", a song by the Violent Femmes in their album New Times
• Agamemnon (opera), an opera by Felix Werder

Ships

• HMS Agamemnon, five ships of the Royal Navy
• USS Agamemnon (ID-3004), a World War I–era vessel that the US Navy used as a troop transport
• Agamemnon class carrier, a fictional space warship in the Gundam Seed universe
• SS Agamemnon (1865), an early long-distance merchant steamship with a compound engine, so achieving good fuel economy

Other uses

• 911 Agamemnon, a Trojan asteroid
• Agamemnon, one of the GWR 3031 Class locomotives that were built for and run on the Great Western Railway between 1891 and 1915
• Agamemnon (insect), a genus of stick insects in subfamily Cladomorphinae