Ad Astra
- Ad Astra (album)
- Ad Astra (convention)
- Ad Astra (film)
- Ad Astra (journal)
- Ad Astra (magazine)
- Ad Astra (play-by-mail game)
- Ad Astra (sculpture)
- Ad Astra Aero
- Ad Astra Games
- Ad Astra Ice Cap
- Ad Astra Ice Cap (Greenland)
- Ad Astra Rocket Company
- Ad astra
- Adastra (disambiguation)
- Akseli Gallen-Kallela
- Fading Frontier
- Gargoyle Games
- Harry Harrison (writer)
- La Masquerade Infernale
- Per ardua ad astra
- Per aspera ad astra
- Silos (Starset album)
- Spiritual Beggars
- William Faulkner