English abbreviations from bi to bid
- bi (Bislami language (ISO 639-1 code))
- BIA (Bureau of Indian Affairs)
- BIAA (Brooklyn Intergroup of Alcoholics Anonymous)
- BIAC (Broadcast Interassociation Council)
- BIACC (Business Impact Analyzer Command Center)
- BIAP (Baghdad International Airport)
- BIAS (Battlefield Illumination Assistance System)
- BIAUSA (Brain Injury Association of the United States of America)
- BIB (Baidoa Airport)
- B.I.C. (Bibas [for Vivas] In Christo ("May you Live In Christ"))
- BIC (Boron Interstitial Clusters)
- BICC (Binary Image Cross Correlation)
- BICEPS (brevity, immediacy, contact, expectancy, proximity, and simplicity)
- BICES (Battlefield Information Collection and Exploitation Systems)
- BICIAP (Broadcasting Industry Council to Improve American Productivity)
- BICM (Battlefield Intelligence Collection Model)
- BICMOS (Bipolar Complementary Metal-Oxide Semiconductor)
- BICS (Battlefield Information and Communication System)
- BID (bis in die (Latin, "twice a day"))