Sentry
- E-3 Sentry
- General Orders for Sentries
- Guard (disambiguation)
- Lancair Sentry
- Nissan Sentra
- PGA Tour
- Picket (military)
- SENTRI
- Senator Ward (comics)
- Sentinel (disambiguation)
- Sentry (AUV)
- Sentry (Curtis Elkins)
- Sentry (Kree)
- Sentry (Robert Reynolds)
- Sentry (monitoring system)
- Sentry (short story)
- Sentry Foods
- Sentry Insurance
- Sentry Island
- Sentry gun
- SentrySafe
- Soviet frigate Storozhevoy
- The Sentinel (video game)
- The Sentry (Fabritius)
- The Sentry (organization)
- Tournament of Champions (golf)
- Travel Sentry