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