| BTL | Bachelor of Talmudic Law 
| Others |
| BTL | Back To Lobby
| Others |
| BTL | BACnet Testing Laboratories
| Others |
| BTL | BACnet Testing Laboratory
| Others |
| BTL | BACnet Testing Labratories
| Others |
| BTL | Bacon Tomato Lettuce
| Others |
| BTL | Bacon, Tomato, and Lettuce
| Others |
| BTL | Bajaj Tempo Limited
| Others |
| BTL | Basement Tutorial Laboratory
| Others |
| BTL | Basic Termination Liability
| Others |
| BTL | Battle
| Others |
| BTL | Battle Loss
| Others |
| BTL | Bean Transformation Language
| Others |
| BTL | Belize Telemedia Limited
| Others |
| BTL | Bell Telephone Laboratories
| Others |
| BTL | Bell Total Logistics
| Others |
| BTL | Below The Line
| Others |
| BTL | Bengal Tiger Line
| Others |
| BTL | Better Than Life
| Others |
| BTL | Better Try Later
| Others |
| BTL | Between the Lines
| Others |
| BTL | Beyond the Limit
| Others |
| BTL | Beyond The Line
| Others |
| BTL | Bharat Telecom Limited
| Others |
| BTL | Bharat Telecom Ltd
| Others |
| BTL | Bible Translation and Literacy
| Others |
| BTL | Bibliotheca Teubneriana Latina
| Others |
| BTL | Bigger Than Life
| Others |
| BTL | Bilateral Tubal ligation
| Others |
| BTL | Biology Teaching and Learning
| Others |
| BTL | Biomass to Liquid
| Others |
| BTL | Biomass To Liquids
| Others |
| BTL | Bit Timing Logic
| Others |
| BTL | Bit Torrent Live
| Others |
| BTL | Blades Technology Limited
| Others |
| BTL | Blades Technology Ltd
| Others |
| BTL | Blaster Teletype
| Others |
| BTL | Born to Learn
| Others |
| BTL | Born To Live
| Others |
| BTL | Bottle
| Others |
| BTL | Bradley Terry Luce
| Others |
| BTL | Bridge Tied Load
| Others |
| BTL | Broad Technology Labs
| Others |
| BTL | Brownsell Truck Locators
| Others |
| BTL | Build Transfer Lease
| Others |
| BTL | Built To Last
| Others |
| BTL | Buy To Let
| Others |
| BTL | Byte Transfer Layer
| Others |
| BTL | Inmos bootable file
| Others |