| Kedah |
|
| Kelantan |
|
| Kelantan, Japanese Occupation |
|
| Kelantan, Thai Occupation In WWII |
|
| Kentucky (KY) |
|
| Kenya |
|
| Kenya, Uganda, Tanzania |
|
| Kerala |
|
| Khor Fakkan |
|
| Kiao Chau |
|
| Kiauchau |
|
| Kingd. Serbs, Croats and Slovenes |
|
| Kingd. Serbs, Croats and Slovenes- Revenue Stamps |
|
| Kingdom of Serbs, Croats and Slovenes |
|
| Kionga |
|
| Kiribati |
|
| Kishangarh |
|
| Korea |
|
| Korea, North |
|
| Korea, South |
|