Sentinel may refer to:
- The Sentinel, a terran newspaper
- Sentinel missile, the ordinance of the widow mine
- Sentinel watchtower, the Umojan Protectorate defensive platform
- Sentinel, a multiplayer map for StarCraft II
- Xel'naga construct, otherwise called a "xel'naga sentinel"
This is a disambiguation page: a list of articles associated with the same title. If an internal link referred you to this page, you may wish to change the link to point directly to the intended article.