| Korea, South- North Korean Occupation |
|
| Kosovo |
|
| Kotah |
|
| Kurdistan |
|
| Kuwait |
|
| Kyrgyzstan |
|
| Kyrgyzstan- Kyrgyz Express Post |
|
| Labuan |
|
| Lagos |
|
| Lajtabansag |
|
| Laos |
|
| Las Bela |
|
| Latakia |
|
| Latvia |
|
| Latvia, German Occupation In WWII |
|
| Lebanon |
|
| Lebanon- Revenue Stamps |
|
| Leeward Islands |
|
| Lesotho |
|
| Liberia |
|