Vast
Vast or VAST may refer to:

Vast (novel), a 1998 science fiction novel by Linda Nagata
Vast (2011 film), a Dutch film, winner of the 2011 Golden Calf for Best Television Drama
Vast Broadband, an American cable and internet company
Vast Studios, a Canadian video game developer
Fernand Vast (1886 - 1968), French cyclist
Vast (company), an American aerospace company
FC Vast Mykolaiv, Ukrainian football team from the city of Mykolaiv.

Acronyms
VAST, an American alternative rock band
Variable Architecture Synthesis Technology, a digital sound synthesis method for the Kurzweil K2000
Video Ad Serving Template, a metadata format for video advertising
Vidya Academy of Science and Technology, in Thrissur, Kerala, India
Vietnam Academy of Science and Technology, in Hanoi
Viewer Access Satellite Television, a satellite TV service provided by the Australian government
Visual Analytics Science and Technology
Voest-Alpine Services and Technologies, a unit of Siemens headquartered near Pittsburgh, Pennsylvania