Orion

Orion may mean:

Orion (mythology), a hunter in Greek mythology

 Astronomy 
 Orion (constellation)
 Orion's Belt, an asterism of the three stars Alnitak, Alnilam, and Mintaka.
 Orion nebula in the region of Orion's Sword, one of the brightest nebulae in the sky.
 Orion Arm (Orion-Cygnus Arm), a spiral arm of the Milky Way galaxy

 Music 
 "Orion", a song by Jethro Tull on the album Stormwatch
 "Orion", a song by Metallica on the album Master of Puppets

 Other 
 Orion, Pyrénées-Atlantiques, France
 Orion (spacecraft), a manned spacecraft
 Orion (comics), a DC Comics character
 Orion (airplane)