JAS or Jas may refer to:
People
- Abbreviation of James (name)
- Jas Arora, Indian model and actor
- Jas Binag, Indo-British model and actor
- Jas H. Duke (1939–1992), Australian poet
- Jas Elsner (born 1962), British art historian and classicist
- Jas Gawronski (born 1936), Italian journalist and politician
- Jas Mann (born 1971), British musician
Places
- Jás, a village in Romania
- Jas, Loire, a commune in France
- Jinnah Antarctic Station, operated by Pakistan
- Syrian Arab Republic, Arabic transliteration of Jumhūrīyah al-ʻArabīyah as-Sūrīyah
Other uses
- JAS (band), a Peruvian rock band
- JAS 39 Gripen, a Swedish multirole combat aircraft
- JAS Motorsport, an Italian engineering company and auto racing team
- Japan Air System, a Japanese airline
- Japanese Agricultural Standard
- Jenkins Activity Survey
- Jericho Appreciation Society, a professional wrestling stable
- Journal of Applied Statistics, a statistics research journal
- The Journal of Asian Studies
- Journal of the Atmospheric Sciences
- Judge–advisor system
- New Caledonian Javanese language, ISO 639-3 code
- Industrigruppen JAS, a Swedish industrial consortium
- July, August, September, a 3-month season period
See also
- Jace, given name
- Jayce, given name