word | | Country name |
| Beluu | Palau | conventional long form: Republic of Palau conventional short form: Palau local long form: Beluu er a Belau local short form: Belau former: Trust Territory of the Pacific Islands, Palau District |
| Bengal | Bangladesh | conventional long form: People's Republic of Bangladesh conventional short form: Bangladesh local long form: Gana Prajatantri Banladesh local short form: Banladesh former: East Bengal, East Pakistan |
| Benin | Benin | conventional long form: Republic of Benin conventional short form: Benin local long form: Republique du Benin local short form: Benin former: Dahomey |
| Bermuda | Bermuda | conventional long form: none conventional short form: Bermuda former: Somers Islands |
| Bharat | India | conventional long form: Republic of India conventional short form: India local long form: Republic of India/Bharatiya Ganarajya local short form: India/Bharat |
| Bharatiya | India | conventional long form: Republic of India conventional short form: India local long form: Republic of India/Bharatiya Ganarajya local short form: India/Bharat |
| Bhutan | Bhutan | conventional long form: Kingdom of Bhutan conventional short form: Bhutan local long form: Druk Gyalkhap local short form: Druk Yul |
| BIOT | British Indian Ocean Territory | conventional long form: British Indian Ocean Territory conventional short form: none abbreviation: BIOT |
| Bissau | Guinea-Bissau | conventional long form: Republic of Guinea-Bissau conventional short form: Guinea-Bissau local long form: Republica da Guine-Bissau local short form: Guine-Bissau former: Portuguese Guinea |
| biyah | Algeria | conventional long form: People's Democratic Republic of Algeria conventional short form: Algeria local long form: Al Jumhuriyah al Jaza'iriyah ad Dimuqratiyah ash Sha'biyah local short form: Al Jaza'ir |
| blong | Vanuatu | conventional long form: Republic of Vanuatu conventional short form: Vanuatu local long form: Ripablik blong Vanuatu local short form: Vanuatu former: New Hebrides |
| Bolivarian | Venezuela | conventional long form: Bolivarian Republic of Venezuela conventional short form: Venezuela local long form: Republica Bolivariana de Venezuela local short form: Venezuela |