Skynet may refer to:
- Skynet (satellite), a UK military communications system
- Skynet (Terminator), a fictional computer network, the primary antagonist in the Terminator series of films
- SkyNET, a 1996 PC game based on The Terminator film series
Skynet may also refer to:
- Skynet (airline), a Russian regional airline based in the Krasnoyarsk Airport
- Skynet Asia Airways, a low-cost Japanese airline
- Skynet Airlines, a defunct Irish airline
- The Copyright (Infringing File Sharing) Amendment Act 2011, which repeals a section of the New Zealand Copyright Act which would have required ISPs to disconnect subscribers suspected of repeat copyright infringement
- Sky Net, a Myanmar direct to home (DTH) TV broadcasting company
- Sky Network Television, a New Zealand pay television service
- theSkyNet, a distributed computing platform for radio astronomy data produced by the Australian Square Kilometre Array Pathfinder
- Belgacom Skynet, a Belgian interactive digital media company
- Loral Skynet or Telesat, a Canadian communications satellite operator