BJT (disambiguation)

A bipolar junction transistor is a type of transistor that uses both electrons and holes as charge carriers.

BJT may also refer to:
 * Balanta language (ISO 639: bjt), an Atlantic-Congo language of West Africa
 * Beijing Time, another name for China Standard Time
 * Bentota River Airport (IATA: BJT), Sri Lanka
 * Bhumjaithai Party, a Thai political party
 * Business Japanese Proficiency Test, a test of practical communicative ability in Japanese