| Abbreviation | Definition |
|---|---|
| BDTC | British Dependent Territories Citizens |
| BDTC | British Dependent Territories Citizenship |
| BDTC | British Dependent Territory Citizens |
| BEA | British European Airways |
| BEAA | British Elite Athletes Association |
| BEAC | British European Airways Corporation |
| BEAMA | British Electrotechnical and Allied Manufacturers Association |
| BEB | British English Board |
| BECTA | British Education Communications Technology Agency |
| BECTA | British Educational Communications and Technology Agency |
| BEIC | British Egg Industry Council |
| BEIS | Business, Energy and Industrial Strategy |
| BEMA | British Engineering Manufacturers Association |
| BERG | British Experimental Rocket Group |
| BERP | British Experimental Rotor Programme |
| BES | British Election Study |
| BESA | British Engineering Standards Association |
| BESL | British Empire Service League |
| BESS | British Elbow and Shoulder Society |
| BETTA | British Electricity Transmission and Trading Arrangements |