BTF
- BTF (finance)
- Back to the Future
- Bangalore Theological Forum
- Baseball Think Factory
- Benzotrifluoride
- Berkshire Theatre Festival
- Bhindranwala Tigers Force of Khalistan
- Bhutan Tiger Force
- Bidirectional texture function
- Bottesford railway station
- Brain Trauma Foundation
- British Tamils Forum
- British Thyroid Foundation
- British Transport Films
- British Triathlon Federation
- Skypark Airport