JST
JST stands for:
- British Aerospace Jetstream 31/32/41, variants of the aircraft type Handley Page Jetstream ( IATA aircraft code)
- Japan Science and Technology Agency, Japanese Institution for the Advancement of Science
- Japan Standard Time, in force in Japan time zone
- J2ee Standard Tools Project
- Japan Solderless Terminals, manufacturer of electromechanical components
- Disambiguation
- Abbreviation