Achternamen
| Achternaam | Aantal |
|---|---|
| Kats | 3 |
| Kats, van | 2 |
| Katsers | 1 |
| Katsourakis | 1 |
| Kattenbeck | 1 |
| Kattenbeld | 1 |
| Kattenbelt | 1 |
| Kattenburg | 1 |
| Katwijk, van | 1 |
| Katzenbauer | 11 |
| Kau | 1 |
| Kaubo | 7 |
| Kauertz | 5 |
| Kauffman | 2 |
| Kaufman | 1 |
| Kaufmann | 6 |
| Kaul | 3 |
| Kaulen | 1 |
| Kauling | 3 |
| Kaumann | 1 |
| Kaumanns | 2 |
| Kaunang | 1 |
| Kaune | 1 |
| Kaus | 3 |
| Kausen | 1 |