Castell (disambiguation)
- Castel (disambiguation)
- Castell
- Castell (surname)
- Castell de Cabres
- Castell de Castells
- Castell de Mur
- Castell de l'Areny
- Castell's sign
- Castell, Bavaria
- Castell, Denbighshire
- Castell, Texas
- Castell-Platja d'Aro
- Castella (disambiguation)
- Castelli (disambiguation)
- Castello (disambiguation)
- Castells (disambiguation)
- Castile (disambiguation)
- Castillo (disambiguation)
- Castle (disambiguation)
- Catalan language
- County of Castell
- El Castell de Guadalest
- Es Castell
- Star Wars
- Welsh language