Achternamen
| Achternaam | Aantal |
|---|---|
| Knuvink | 1 |
| Knuyver | 1 |
| Köbben | 14 |
| Kobbenhaegen | 2 |
| Kobelé | 1 |
| Kobes | 1 |
| Kobesen | 1 |
| Kobilsek | 1 |
| Koblenzwey | 1 |
| Kobryn | 1 |
| Kobus | 3 |
| Kobussen | 2 |
| Koch | 71 |
| Kochanowski | 1 |
| Kochen | 14 |
| Köchling | 1 |
| Kochs | 6 |
| Kocijan | 1 |
| Kock | 24 |
| Kock, de | 16 |
| Kockelkoren | 32 |
| Kockelkorn | 33 |
| Kockelmans | 9 |
| Kocken | 29 |
| Köckerbauer | 1 |