| Acronym | Definition |
|---|
| BTH | Bathroom (real estate) |
| BTH | Blekinge Tekniska Högskola |
| BTH | Black Tar Heroin (narcotic drug) |
| BTH | Bottomless Trap Hole (cards) |
| BTH | Bluetooth |
| BTH | Biomass-to-Hydrogen |
| BTH | Base Transport Header |
| BTH | Blue Tooth |
| BTH | Bath Tissue Holder (various companies) |
| BTH | Bachelor of Theology (degree) |
| BTH | Banyan Tree Holdings (various locations) |
| BTH | Beyond The Horizon |
| BTH | Breaking the Habit (Linkin Park song) |
| BTH | Business, Transportation & Housing (California) |
| BTH | British Thompson-Houston (tram) |
| BTH | Bravez Team Hyphy (rap group) |
| BTH | Bury the Hatchet (Cranberries album) |
| BTH | Below the Horizon |
| BTH | Brevet de Technicien Hôtelier (French: Hotelier Technician Certificate) |
| BTH | Bharat Tourist Home (India) |
| BTH | Bureau Thierry Havelange (French; Belgian finance agency) |
| BTH | Bureau Technique de l'Habitat (French construction company) |
| BTH | Brown Trunk Height (landscaping, palm tree height) |
| BTH | British Thermal Units per Hour |