For keys in general, see Keys and Tools and Category:Key.
For items named Key, See:
Bandit Shield Quest
Key (Bridge Access) Key (Cell Key) Key (Prison Access)
Dagger of Tikola Quest
Key (Dagger of Tikola Key 1) Key (Dagger of Tikola Key 2)
Eastham Sewer Quest
Glenden Wood Dungeon Quest
Key (Plain-Looking) Key (Rusty Key) Key (Antique Key) Key (Oddly-Shaped)
Green Mire Grave Quest
Key (Worn Key) Key (Short Key) Key (Large Key) Key (Simple Key) Key (Silver Key) Key (Green Key)