RuneScape Quests - C
| Name | Type | Rating | XP Level | Location |
| Cabin Fever | Member | 0 | 50 | Port Phasmatys |
| Catapult Construction | Member | 7 | 0 | Isafdar, Tyras Camp |
| Chaos Tunnels: The Hunt For Surok | Member | 7 | 30 | Varrock Castle |
| Clock Tower | Member | 0 | 0 | Ardougne |
| Cold War | Member | 8 | 0 | Ardougne |
| Cook's Assistant | Free | 7 | 0 | Lumbridge |
| Creature of Fenkenstrain | Member | 0 | 0 | Canifis |
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