| Ref |
country name |
capital |
currencies |
continent |
flag |
| DAG | DAGUESTÁN (RUSIA) on to the stamps | Makhachkala | ruble = 100 kopecks | Europe |  |
| DAH | DAHOMEY on to the stamps | Porto-Novo | CFA franc = 100 centimes | Africa |  |
| ROS | DEPENDENCIA ROSS (NUEVA ZELANDA) on to the stamps | | New Zealand dollar = 100 cents | Antarctica |  |
| DHU | DHUFAR (OMÁN) on to the stamps | Salalah | rial Saidi = 1000 baizas, Omani rial = 1000 baizas (from 1973 | Asia |  |
| DAN | DINAMARCA on to the stamps | Copenhagen | Danish krone = 100 öre | Europe |  |
| DOM | DOMINICA on to the stamps | Roseau | East Carribean dollar = 100 cents | America |  |
| DNE | DOMINICANA REPÚBLICA on to the stamps | Santo Domingo | Dominican peso = 100 centavos | America |  |
| DUB | DUBÁI on to the stamps | Dubai | rupee = 100 naye paise, riyal = 100 dirhams (from 1966) | Asia |  |