Astyanax (disambiguation)
Astyanax can refer to:

Astyanax son of Hector, Trojan warrior
Astyanax (fish), a genus of fish
The Astyanax, an arcade game
Astyanax Douglass (1897–1975), an American professional baseball player
a son of Heracles and Epilais
1871 Astyanax, a Jupiter Trojan asteroid