B
- BA. Bombay to Aden 1942-45 (reverse AB)
- BAF. Bombay to Aden Fast troopship (reverse ABF)
- BB. Belfast to Bristol Channel 1940-43
- BB. Clyde to Bristol Channel 1945
- BC. Beira to Durban ("Cape") (reverse CB)
- BC. Bristol Channel to Biscay
- BD. White Sea to Dikson 1943-45 (reverse DB)
- BEC. Bristol Channel to France 1944 (as EBC)
- BF. Bahia to Freetown 1943-45
- BG. Milne Bay to New Guinea (reverse GB)
- BG. Brisbane to Gladstone
- BHX. Bermuda to HX rendezvous (feeder convoy)
- BK. Bombay to Karachi 1943
- BK. White Sea to Kola 1943-45 (reverse KB)
- "Blue". Port Said to Gibraltar 1939
- BM. Bombay to Singapore 1942
- BM. Bombay to Colombo 1942-45 (reverse MB)
- BN. Bombay to Suez ("Northward")
- BN. New Britain to New Guinea (reverse NB)
- BP. Bombay to Persian Gulf (reverse PB)
- BRN. Bahia to Recife ("Northward")
- BS. Suez to Aden 1940-41
- BS. Corner Brook to Sydney CB (reverse SB)
- BS. Brest to Casablanca 1939-40
- BT. Bahia to Trinidad 1943-45
- BT. Sydney NSW to United States Troopship 1943-44
- BT. Brisbane to Townsville
- BTC. Bristol Channel to Thames 1944-45
- BV. Brisbane to Townsville
- BW. Sydney CB to Saint John's NF 1942-45
- BX. Boston to Halifax (reverse XB)
- BZ. Bombay to Kilindini and Aden
Read more about this topic: List Of World War II Convoy Codes