| Ref |
country name |
capital |
currencies |
continent |
flag |
| DAG | DAGESTAN (RUSSLAND) on to the stamps | Makhachkala | ruble = 100 kopecks | Europe |  |
| DAH | DAHOMEY on to the stamps | Porto-Novo | CFA franc = 100 centimes | Africa |  |
| DAN | DÄNEMARK on to the stamps | Copenhagen | Danish krone = 100 öre | Europe |  |
| DAZ | DANZIG on to the stamps | Danzig | mark = 100 pfennig | Europe |  |
| RFA | DEUTSCHLAND (BRD) on to the stamps | Berlin | mark = 100 pfennigs, euro = 100 cents (from 2002) | Europe |  |
| DDR | DEUTSCHLAND (DDR) on to the stamps | Berlin | mark=100 pfennigs | Europe |  |
| DHU | DHUFAR (OMAN) on to the stamps | Salalah | rial Saidi = 1000 baizas, Omani rial = 1000 baizas (from 1973 | Asia |  |
| DOM | DOMINICA on to the stamps | Roseau | East Carribean dollar = 100 cents | America |  |
| DNE | DOMINIKANISCHE REPUBLIK on to the stamps | Santo Domingo | Dominican peso = 100 centavos | America |  |
| DJI | DSCHIBUTI on to the stamps | Djibouti | Djiboutian franc = 100 centimes | Africa |  |
| DUB | DUBAI on to the stamps | Dubai | rupee = 100 naye paise, riyal = 100 dirhams (from 1966) | Asia |  |