| Rank | Code | Name | NBO | MPs | Title | |
| 5261 | 10902 | Maoliang | Kong | China | 0 | |
| 5262 | 13190 | Kongo | Kong | Hong Kong China | 0 | |
| 5263 | 13210 | Kwok Hung | KONG | Hong Kong China | 0 | |
| 5264 | 7313 | Siegfried | Konig | Australia | 0 | |
| 5265 | 6455 | Kasper | Konow | Denmark | 0 | |
| 5266 | 20065 | Kenneth | Konstam | Great Britain | 0 | |
| 5267 | 548 | Elias | Konstantinovsky | Mexico | 0 | |
| 5268 | 6128 | Lia | Kontoghiorghi | Greece | 0 | |
| 5269 | 9563 | Konstantinos | Kontomitros | Greece | 0 | |
| 5270 | 9197 | Hor Yung Charmian | Koo | Hong Kong China | 0 | |
| 5271 | 6084 | Kasemsuk | Koomtako | Thailand | 0 | |
| 5272 | 9302 | Michal | Kopecky | Czech Republic | 0 | |
| 5273 | 2091 | Michael | Kopera | USA | 0 | |
| 5274 | 12455 | Kacper | Kopka | Poland | 0 | |
| 5275 | 7624 | Piotr | Kopko | Poland | 0 | |
| 5276 | 5287 | Miroslaw | Kopowski | Poland | 0 | |
| 5277 | 366 | Knut | Koppang | Norway | 0 | |
| 5278 | 6740 | Jiri | Kopriva | Czech Republic | 0 | |
| 5279 | 9500 | Daniel | Korbel | USA | 0 | |
| 5280 | 9628 | Mehmet Ali | Kordov | Turkey | 0 |