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 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

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

Comics
Sentinel (comic book), a comic book series

Characters
Sentinel (Beast Wars), a computer in the TV show Beast Wars
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 used the alias "Sentinel" at one point
Sentinels, a faction in Call of Duty: Advanced Warfare
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

Films
The Sentinel (1977 film), a film based on the Jeffrey Konvitz novel
The Sentinel (1992 film) (La Sentinelle in French), a film by the French director Arnaud Desplechin
The Sentinel (2006 film), a thriller directed by Clark Johnson starring Michael Douglas

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 Celldweller on the album Soundtrack for the Voices in My Head Vol. 2
"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
"The Sentinel", a song by Judas Priest on their album Defenders of the Faith
"Sentinel", a song by VNV Nation on their album Of Faith, Power and Glory

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" (Stargate SG-1), a TV episode
The Sentinel (TV series), a Canadian television series that ran from 1996 to 1999
"The Sentinel" (American Horror Story), an episode of the eleventh season of American Horror Story

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

See also
Sentinel Project (disambiguation)
Centinela (disambiguation)
La Sentinelle (disambiguation)
North Sentinel Island, Bay of Bengal
Sentinelese, an ethnic group on North Sentinel Island
Sentry (disambiguation)
South Sentinel Island, Bay of Bengal