BTL

BTL may refer to:

General abbreviations

 * Bachelor of Talmudic Law, an academic degree
 * Bilateral tubal ligation, a medical procedure
 * Biomass to liquid, synthesize of fuel from biomass
 * Bridge-tied load, an output configuration for audio amplifiers
 * Buy-to-let, a UK property investment strategy

Location codes

 * Battle Creek (Amtrak station), Amtrak station code BTL, Battle Creek, Michigan
 * W. K. Kellogg Airport, IATA identifier BTL, Battle Creek, Michigan

Companies

 * BACnet Testing Laboratories
 * Belize Telecommunications Limited
 * Bell Telephone Laboratories
 * Between the Lines Books, Canadian publisher
 * BTL Brands, developer of McCoy's (crisp)