See also lists of all IFRC regions, National Societies, and Country codes

: BA : Bosnia and Herzegovina
: BAME : black, Asian and minority ethnic
: BB : Barbados
: BCA : Benefit-Cost Analysis
: BCC : Behaviour change communication
: BCP : Business continuity planning
: BD : Bangladesh
: BDRCS : Bangladesh Red Crescent Society _ Brunei Darussalam Red Crescent Society
: BE : British English _ Belgium
: BF : Burkina Faso
: BFCM : Beneficiary Feedback and Complaint Mechanism
: BG : Bulgaria
: BH : Bahrain
: BHC : Boma Health Committee _ Basic Health Clinic _ Basic Health Centre
: BHI : Boma Health Initiative
: BHT : Boma Health Teams
: BHU : Basic Health Unit
: BHW : Boma Health Worker
: BI : Burundi
: BJ : Benin
: BM : Bermuda
: BMGF : Bill & Melinda Gates Foundation
: BN : Brunei Darussalam
: BO : Bolivia (Plurinational State of)
: BPA : Buenas Prácticas Agrícolas
: BPHN : Basic Package for Health & Nutrition
: BPHNS : Basic Package of Health and Nutrition Services
: BPHS : Basic Package of Health Services
: BQ : Bonaire, Sint Eustatius and Saba
: BR : Brazil
: BRC : Burundi Red Cross _ Burkinabe Red Cross Society _ The Bahamas Red Cross Society _ The Barbados Red Cross Society _ Belize Red Cross Society _ Bermuda Red Cross _ Bolivian Red Cross _ Brazilian Red Cross _ Belgian Red Cross _ Belarus Red Cross _ British Red Cross _ Bulgarian Red Cross _ Bahrain Red Crescent Society
: BRCS : Botswana Red Cross Society _ Burkinabe Red Cross Society _ The Bahamas Red Cross Society _ Bhutan Red Cross Society _ Bahrain Red Crescent Society
: BS : (the) Bahamas
: BSL : Biosafety level
: BSRCS : Baphalali Swaziland Red Cross Society
: BT : Bhutan
: BV : Bouvet Island
: BVIRC : British Virgin Islands Red Cross
: BW : Botswana
: BY : Belarus
: BZ : Belize