word | | Country name |
| conventional | Burkina Faso | conventional long form: none conventional short form: Burkina Faso local long form: none local short form: Burkina Faso former: Upper Volta, Republic of Upper Volta |
| conventional | Burma | conventional long form: Union of Burma conventional short form: Burma local long form: Pyidaungzu Myanma Naingngandaw (translated by the US Government as Union of Myanma and by the Burmese as Union of ... |
| conventional | Burundi | conventional long form: Republic of Burundi conventional short form: Burundi local long form: Republique du Burundi/Republika y'u Burundi local short form: Burundi former: Urundi |
| conventional | Cambodia | conventional long form: Kingdom of Cambodia conventional short form: Cambodia local long form: Preahreacheanachakr Kampuchea (phonetic pronunciation) local short form: Kampuchea former: Khmer Republic, Democratic Kampuchea, People's Republic of Kampuchea, State ... |
| conventional | Cameroon | conventional long form: Republic of Cameroon conventional short form: Cameroon local long form: Republique du Cameroun/Republic of Cameroon local short form: Cameroun/Cameroon former: French Cameroon, British Cameroon, Federal Republic of ... |
| conventional | Canada | conventional long form: none conventional short form: Canada |
| conventional | Cape Verde | conventional long form: Republic of Cape Verde conventional short form: Cape Verde local long form: Republica de Cabo Verde local short form: Cabo Verde |
| conventional | Cayman Islands | conventional long form: none conventional short form: Cayman Islands |
| conventional | Central African Republic | conventional long form: Central African Republic conventional short form: none local long form: Republique Centrafricaine local short form: none former: Ubangi-Shari, Central African Empire abbreviation: CAR |
| conventional | Chad | conventional long form: Republic of Chad conventional short form: Chad local long form: Republique du Tchad/Jumhuriyat Tshad local short form: Tchad/Tshad |
| conventional | Chile | conventional long form: Republic of Chile conventional short form: Chile local long form: Republica de Chile local short form: Chile |