Castle
Castle may refer to:
- Castle Wars, an activity to the west of Yanille
- Castle Wars (music track), a music track that can be obtained in the minigame
- Castle Warz, another music track that can be obtained in the minigame
- Castle Drakan, an inaccessible fortress just north of Meiyerditch where the Drakans and their servants live
- Fenkenstrain's Castle, a castle in Morytania that Dr. Fenkenstrain stole from Lord Rologarth
- Lumbridge Castle, a populated free-to-play castle where the ruler of Lumbridge, Duke Horacio, lives
- Rogues' Castle, a relatively vacant Wilderness area, haunted by the Chaos Elemental
- White Knights' Castle, the centre of Falador and base of the White Knights
- Varrock Palace, a castle in Varrock and the home of King Roald and his wife, who often hits him for 10 damage in the face
- Wilderness Castle/Daemonheim, a mysterious castle on a peninsula east of the Wilderness which is infiltrated by Fremennik
- Deep Wilderness Castle Ruins, an ancient ruined fortress situated on a peninsula in deep Wilderness
- Zemouregal's fort, somewhat Zemouregal's castle where he resides with Arrav and probably Sharathteerk as well
- Burthorpe Castle, current home of Prince Anlaf and base of the Burthorpe Imperial Guard
- Ardougne Castle, where King Lathas and his paladins live and from where East Ardougne is ruled
- Mobilising Armies Castle, the castle involved within the Siege scenario of the activity
- Ghorrock, an ancient fortress of Zaros located west of the Wilderness Agility Course
- Deserted Keep, an abandoned part of a castle in the deep Wilderness
- Miscellania Castle, home of King Vargas and his children and the king's advisor, Ghrim
- Etceteria Castle, the biggest and mightiest building on Etceteria in which Queen Sigrid resides
- Dragonkin Castle, a castle of the ancient Dragonkin