Portal
Portal often refers to:

Portal (architecture), an opening in a wall of a building, gate or fortification, or the extremities (ends) of a tunnelPortal may also refer to:

Arts and entertainment
Gaming
Portal (series), a series of video games developed by Valve
Portal (video game), a 2007 video game, the first in the series
Portal 2, the 2011 sequel
Portal Stories: Mel, a mod for Portal 2
Portal (1986 video game), a 1986 computer game by Activision
Portal (Magic: The Gathering), a set in the Magic: The Gathering card game
Portal (video game element), an element in video game design

Music
Portal (band), an Australian extreme metal band
Portal (album), a 1994 album by Wendy & Carl
Portals (Arsonists Get All the Girls album), 2009
Portals (Sub Focus and Wilkinson album), 2020
"Portals", by Alan Silvestri, from the soundtrack for the film Avengers: Endgame
Portals (EP), a 2022 EP by Kirk Hammett
Portals (Melanie Martinez album), 2023

Other uses in arts and entertainment
Portal (comics), a Marvel Comics character
Portal (magic trick), an illusion performed by David Copperfield
Portal (TV series), a series about MMORPGs
Portals (initiative), a public art initiative that connects people in different world cities through real-time videoconferencing
The Portal (podcast), a podcast hosted by Eric Weinstein

Computing
Gateways to information
Captive portal, controlling connections to the Internet
Enterprise portal, a framework to provide a single point of access to a variety of information and tools
Intranet portal, a gateway that unifies access to all enterprise information and applications
Web portal, a site that functions as a point of access to information on the World Wide Web

Other uses in computing
Meta Portal, a screen-enhanced smart speaker
Portal rendering, an optimization technique in 3D computer graphics
Portals network programming API, a high-performance networking programming interface for massively parallel supercomputers
Portal Software, a company based in Cupertino, California

Places
Portal, Arizona
Portal, Georgia
Portal, Nebraska
Portal, North Dakota
Portal Peak, a mountain in Canada
Portal, Tarporley, a country house near Tarporley, Cheshire, England
Portal Bridge, over the Hackensack River in New Jersey

Organisations
Clube Atlético Portal, a football club based in Uberlândia, Brazil
Portals Athletic F.C., a defunct football club, based in Overton, England
Portals (paper makers), a UK paper making company

Other uses
NCAA transfer portal, a database and compliance tool facilitating US college athletes who wish to change schools
Portal frame, a construction method
Portal stones, a type of stone monument
Portal (surname), shared by several notable people
Portal venous system, an occurrence where one capillary bed drains into another through veins
Hepatic portal system, the portal system between the digestive system and the liver
Hepatic portal vein, a vein that drains blood from the digestive system
Hypophyseal portal system

See also
Conduit (channeling)
The Portal (disambiguation)
Porthole, a window in the hull of a ship
Wormhole