BT

BT (or similar) may stand for:

• Baal teshuva, a term that often refers to a Jew who turns to embrace Orthodox Judaism
• Babylonian Talmud, a central text in Judaism (sometimes abbreviated as TB, Talmud Bavli, Babylonian Talmud in Hebrew)
• Bacillus thuringiensis, a bacterium which forms Bt toxins, used as insecticides (BT powder).
• Baronet, a title in the British honours system abbreviated Bt
• Bathythermograph, a device used to obtain a record of temperature against depth in the ocean
• Betéti társaság: a limited partnership, a type of business entity in Hungary, with at least one general partner and one limited partner; usually abbreviated Bt.
• Body thetan, part of Scientology doctrine
• Brevet (military), a military term sometimes abbreviated Bt (although more often Bvt)
• BT tank, any of a series of Soviet military tanks