Look up gatekeeper in Wiktionary, the free dictionary.

A gatekeeper is a person who controls access to something.

Gatekeeper or gatekeeping may also refer to:

• Gatekeeping (communication), a person or organization who manages or constrains a flow of knowledge
• Gatekeeping (education), controlling the rate at which students progress to more advanced levels of study
• Gatekeeper physician, a primary care physician, with a role of rationing patient access to specialized medicine
• Gatekeeper state, a post-colonial state controlling access to resources

Computing

• H.323 Gatekeeper, a virtual network switch that manages a H.323 zone
• GNU Gatekeeper, an H.323 gatekeeper implementation
• GateKeeper, an MSN Chat authentication type
• Gatekeeper (macOS), a security feature of Apple's macOS operating system
• GateKeeper (access control device), a device that allows a user to automatically lock and unlock their computer

Science

• Gatekeeper butterfly (Pyronia tithonus), a European brown butterfly
• A gatekeeper neuron in synaptic gating
• Gatekeeper gene

Popular culture

• GateKeeper (roller coaster), a roller coaster at Cedar Point
• Gatekeepers (game show), a Singaporean Chinese language game show
• Gate Keepers, an anime series
• Gate Keepers 21, an OVA sequel to the Gate Keepers anime series
• The Gatekeepers, a 2002 book by Jacques Steinberg
• The Gatekeeper, a 2002 film by John Carlos Frey
• The Gatekeepers (film), a 2012 Israeli documentary film directed by Dror Moreh
• Clare the Gatekeeper, a character in the television series Power Rangers
• GateKeeper software, the fictional security software in The Net
• The Gatekeepers or The Power of Five, a series of books by Anthony Horowitz
• The Gatekeeper, a video board game released in 2004 as the first DVD version of the Atmosfear series
• Gatekeeper, a title of Zuul, a demigod in the film Ghostbusters

Sports

• Gatekeeper (boxing), a professional boxer who is considered a test for aspiring boxers
• The St. Louis GateKeepers, a men's roller derby team based in St. Louis, Missouri

Music

• The Gatekeeper or Frukwan, a member of the former hip-hop group Gravediggaz
• Gatekeeper (band), an American experimental electronic duo from Chicago
• "Gatekeeper", a song by Within Temptation from the album Enter
• "Gatekeeper", a song by Leslie Feist from her album Let It Die
• "Gatekeeper", a song by Jessie Reyez from the album Kiddo

Family law

• Gatekeeper parent, a parent who controls the relationship between a child and their other parent