| Abbreviation | Definition |
|---|---|
| BDC | Batch Data Communication |
| BDCS | Broadband Digital Cross-connect System |
| BDD | Browser Definition Data |
| BDDN | Broadcast Data Distribution Node |
| BDUK | Broadband Delivery United Kingdom |
| BEAN | Body Electronics Area Network |
| BEAS | Business Ethernet Access System |
| BEFN | Bayside Environmental Friends Network |
| BEFP | Buffered Enhanced Factory Programming |
| BEGIN | Business Exploration Guidance Instruction and Networking |
| BER | Basic Event Representation |
| BERT | Bit Error Rate Token |
| BES | Blackberry Enterprise Server |
| BEST | Best Enumeration of SNP Tags |
| BETA | Beginning Employment Training For Adulthood |
| BETA | Beta Email Tracking Application |
| BETA | Broadband Experimental Terascale Access |
| BF | Bitstring Forecasting |
| BF | Browser File |
| BFD | Bidirectional Forwarding Detection |