from Wikipedia:
Portal may refer to:
Portal (architecture), a gate, door, or tunnelPortal (fiction), a magical or technological doorway that connects two different locations.
Computing
Enterprise portal, a framework to provide a single point of access to a variety of information and toolsIntranet portal, a gateway that unifies access to all enterprise information and applicationsPortal rendering, an optimization technique in 3D computer graphicsWeb portal, a site that functions as a point of access to information on the InternetPortals network programming api, a high-performance networking programming interface for massively parallel supercomputers
Entertainment
Portal (interactive novel), a 1986 video game by ActivisionPortal (video game), a 2007 video game by Valve CorporationPortal 2, the sequel to Valve's 2007 video game PortalPortal (TV series), a series about MMORPGs
Geography
Portal, CaliforniaPortal, GeorgiaPortal, North Dakota
Music
Portall, a Thrash-Death Metal band from the NetherlandsPortal (Australian band), a metal band from AustraliaPortal (UK band), a band from the UKPortals (album), a 2009 album by Arsonists Get All The Girls
Other uses
Portal (comics), a Marvel comic characterPortal (Magic: The Gathering), a set in the Magic: The Gathering card gamePortal Bridge, over the Hackensack River in New JerseyPortal Software, a company based in Cupertino, CaliforniaClube Atlético Portal, a football club based in Uberlândia, BrazilPortals Athletic F.C., a defunct football club, based in Overton, EnglandPortal (magic trick), an illusion performed by David Copperfield
People with the surname
Antoine Portal (1742–1832), French anatomist, doctor and medical historianCharles Portal, 1st Viscount Portal of Hungerford (1893–1971), British Marshal of the RAF and Chief of the Air Staff in World War IIWyndham Portal, 1st Viscount Portal (1885–1949), British businessman and public servantMichel Portal (born 1935), French composer, saxophonist, and clarinetistNicolas Portal (born 1979), French professional road bicycle racerGerald Portal (1858–1894), British colonial diplomat