# Sentinel

Sentinel may refer to:

## Places
### Mountains

* Mount Sentinel, a mountain next to the University of Montana in Missoula, Montana
* Sentinel Buttress, a volcanic crag on James Ross Island, Antarctica
* Sentinel Dome, a naturally occurring granite dome in Yosemite National Park, California
* Sentinel Mesa, in Monument Valley
* Sentinel Mountain (Montana), in Glacier National Park
* Sentinel Peak (Alberta)
* Sentinel Peak (Antarctica)
* Sentinel Peak (Arizona), a peak in the Tucson Mountains
* Sentinel Peak (British Columbia)
* Sentinel Range, a mountain range in Antarctica
* The Sentinel, Hout Bay
* The Sentinel (Zion), a sandstone summit in Zion National Park, Utah
* Sentinel Rock

### Elsewhere

* Sentinel, Arizona
* Sentinel, California
* Sentinel, Missouri
* Sentinel, Oklahoma
* Sentinel Island (disambiguation)

## Arts, entertainment, and media
### Artworks

* Sentinel (sculpture), a 2000 sculpture by Tim Tolkien
* Sentinels (Hudson), a 2005 public artwork by American artist Jon Barlow Hudson
* The Sentinel (Centralia, Washington statue), a 1924 bronze sculpture by Alonzo Victor Lewis

### Comics

* Sentinel (comic book), a comic book series

### Characters

* Sentinel (comics), one of a group of mutant-hunting robots in the Marvel Universe
* Sentinel, a paradigm role in Final Fantasy XIII
* Sentinel, a character class in the Mass Effect universe
* Alan Scott, the original Green Lantern, who was called "sentinel" at one point
* Sentinels, a faction in Call of Duty: Advanced Warfare
* Sentinel, a computer in the TV show Transformers: Beast Wars
* Sentinels, one of the two teams in Defense of the Ancients
* Sentinels, a group of super soldiers infected with a variant of the Chimera virus in Resistance 2
* Sentinels, a law enforcement-themed clan in Urban Rivals
* The Sentinel, a boss character in Borderlands: The Pre-Sequel
* The Sentinel, the fictitious military academy attended by Frank Underwood, in the Netflix Originals TV series House of Cards
* The Sentinels, antagonistic dinosaur robots from the animated web series Murder Drones

### Films

* The Sentinel (1977 film), an American film based on the Jeffrey Konvitz novel
* The Sentinel (1992 film) (La Sentinelle in French), a French film directed by Arnaud Desplechin
* The Sentinel (2006 film), an American thriller film directed by Clark Johnson starring Michael Douglas
* Last Sentinel (2023 film), an American-Estonian thriller film directed by Tanel Toom

### Gaming

* Sentinel (iOS game), a 2010 iOS sci-fi tower defense game
* Sentinel, a 1984 computer game created by Bryan Brandenburg
* Sentinel (1990 video game), a game for the Atari 2600 and 7800 developed by Imagineering
* Sentinel: Descendants in Time, a 2004 computer game published by Detalion
* The Sentinel (module), an adventure module for Dungeons & Dragons
* The Sentinel (video game), a 1986 game created by Geoff Crammond
* Sentinel, a sniper rifle in battle royale game Apex Legends
* Sentinels (esports), an American esports company

### Literature

* Gundam Sentinel, a 1987 serial "photo-novel"
* Sentinels novels, a series of novels by Van Allen Plexico
* The Sentinel (anthology), a collection of short stories by Arthur C. Clarke
* The Sentinel (Konvitz novel), a 1974 novel by Jeffrey Konvitz
* "The Sentinel" (short story), a 1951 short story by Arthur C. Clarke
* The Sentinel (Child novel), a 2020 novel by Lee and Andrew Child
* The Sentinels (Carter novel), a 1980 young adult novel by Peter Carter

### Music
#### Groups and labels

* Sentinel (band), an American indie dream rock duo
* Sentinel Sound, a reggae and dancehall sound system from Stuttgart, Germany

#### Albums

* Sentinel (album), a 1979 album by Nigel Mazlyn Jones
* "Sentinel" (instrumental), by Mike Oldfield
* The Sentinel (album), an album by Pallas

#### Songs

* "Sentinel", a song by Alice Cooper on his album Dragontown
* "Sentinel", a song by At The Throne of Judgment on their album The Arcanum Order
* "Sentinel", a song by Hilltop Hoods on their album The Calling
* "Sentinel", a song by VNV Nation on their album Of Faith, Power and Glory
* "Sentinel", a song by Within the Ruins on the album Phenomena
* "The Sentinel", a song by Car Bomb on the album w^w^^w^w
* "The Sentinel", a song by Celldweller on the album Soundtrack for the Voices in My Head Vol. 2
* "The Sentinel", a song by Judas Priest on their album Defenders of the Faith
* "Sentinels", a song by Green Carnation on the album Leaves of Yesteryear
* "Sentinels", a song by Xerath on the album III

### Periodicals

* Sentinel (newspaper), a list of newspapers called Sentinel
* Christian Science Sentinel (originally The Christian Science Weekly), an American magazine
* CTC Sentinel
* The Sentinel (Guwahati), published in Gauhati, Assam, India
* The Sentinel (KSU), published by Kennesaw State University
* The Sentinel, published by journalism students at Heritage High School
* The Sentinel, published by Melbourne High School

### Television

* The Sentinel (TV series), a 1996–1999 Canadian crime drama series
* "The Sentinel" (American Horror Story), a 2022 episode
* "The Sentinel" (Stargate SG-1), a 2002 episode

## Brands and enterprises

* Sentinel (publisher), a book publisher
* Sentinel (revolver), a brand of gun made by High Standard Manufacturing Company
* Sentinel, a brand name for the drug cenegermin
* Sentinel Offender Services, a for-profit probation company
* Sentinel Sound, a reggae and dancehall sound system from Stuttgart, Germany
* SentinelOne, a cybersecurity company based in Mountain View, California

## Buildings

* Sentinel Building (disambiguation), multiple buildings with this name
* Sentinel Secondary School, a school in West Vancouver, British Columbia
* The Sentinels, two residential block towers in Birmingham, UK

## Computing

* Sentinel (FBI), an FBI software project replacing the failed Virtual Case File
* Sentinel node, an object to represent the end of a data structure
* Sentinel value, a flag value used to terminate a loop, a variable length list, or other analogous purpose

## Military

* AN/GSQ-272 Sentinel, a United States Air Force weapons system
* LGM-35 Sentinel, an American intercontinental missile under development
* MPQ-64 Sentinel, a radar used by the United States military
* Raytheon Sentinel, an aircraft used by the Royal Air Force
* RQ-170 Sentinel, USAF stealth drone officially acknowledged in early December 2009
* Sentinel tank, an Australian-built World War II Cruiser Tank
* Sentinel-class cutter, a Fast Response Cutter with the United States Coast Guard
* Sentinels, some members of the 3rd U.S. Infantry Regiment
* Stinson L-5 Sentinel, a World War II era American liaison aircraft

## Science and technology

* Sentinel (satellite), GMES Sentinel satellites, series of ESA funded Earth Observation satellites
* Sentinel (space telescope), a proposed (but cancelled) asteroid-hunting infrared telescope by the B612 Foundation
* Animal sentinels, animals which give early indications to environmental hazards
* Sentinel lymph node, the first lymph node affected by a metastasising cancer
* The Sentinel series, a series of US radioisotope thermoelectric generators

## Transportation
### Locomotives and lorries

* Sentinel Waggon Works, a British engineering firm that produced lorries and locomotives:
** LMS Sentinels 7160-3
** LMS Sentinel 7164, a small shunting locomotive
** LMS Sentinel 7192, a geared steam locomotive
** S&DJR Sentinels, two small steam locomotives for shunting

### Vessels

* Sentinel (steamboat), a small wooden steamboat associated with the Puget Sound Mosquito Fleet

## Others

* Sentinel (horse)
* A Newspaper on Saint Helena