"Was", a short story in William Faulkner's Go Down, Moses

Washington Redskins, National Football League team

Washington Nationals, Major League Baseball team

Washington Wizards, National Basketball Association team

Washington Capitals, National Hockey League team

WebSphere Application Server, an IBM application server

We Are Scientists, an American indie rock band

WAS is a three-letter abbreviation with multiple meanings, as described below: In reference to Washington, D.C.:

Waynesburg Southern Railroad, reporting mark "WAS"

SAP Web Application Server, an SAP AG application server

Was (novel), a novel by Geoff Ryman

Was??, a musical composition by Folke Rabe

Was, is the Egyptian hieroglyph for "power".

Windows Activation Services, a container for hosting WCF services

Wiskott-Aldrich Syndrome, an X-linked recessive disease, or Wiskott-Aldrich syndrome protein, mutations in which cause the disease

Worked All States, an amateur radio award issued by the American Radio Relay League