Tentacle may refer to any of the following:
- Tentacle (Temple Trekking) - A monster fought during the Temple Trekking minigame.
- Enormous Tentacle - A monster that is part of the Kraken's body.
- Tentacle pool - A pool that can be built in the oubliette in a player-owned house.
- Kraken tentacle - An item obtained as a drop from Cave krakens and its boss variant.
- Abyssal tentacle - An weapon created by combining an abyssal whip with a kraken tentacle.