BITD
| Acronym | Definition |
|---|---|
| BITD | Best in the Desert (Nevada based off-road racing organization) |
| BITD | Back in the Day |
| BITD | Bureau International des Tarifs Douaniers (French: International Bureau of Customs Tariffs; Belgium) |
| BITD | Beaten It to Death |
| BITD | Business and Information Technology Department (Council for the Central Laboratory of the Research Councils; UK) |
| BITD | Basic Instrument Training Devices (flight simulator; various nations) |
| BITD | Built in Test Diagnostics |