| Name | Total | Name | Total |
|---|
| Klein-Hofmeier | 1 | Kocken | 2 |
| Kleinberend | 6 | Kockler | 1 |
| Kleine, de | 4 | Koe, de | 3 |
| Kleinsmit | 5 | Koebrugge | 2 |
| Kleisen | 1 | Koedijk | 1 |
| Kleisma | 1 | Koehoorn | 6 |
| Klerx | 1 | Koeleman | 1 |
| Klessens | 1 | Koelink | 1 |
| Kleuters | 1 | Koelman | 18 |
| Kleyn | 1 | Koelmans | 5 |
| Kleynee | 2 | Koelstra | 2 |
| Klijnsma | 5 | Koemans | 4 |
| Klijnstra | 7 | Koenen | 2 |
| Klimp | 3 | Koenig | 1 |
| Klingen, van | 2 | Koenigs | 1 |
| Klink, van | 2 | Koenrades | 1 |
| Klinkenberg | 1 | Koens | 7 |
| Klinkhamer | 2 | Koerhuis | 1 |
| Klismet | 1 | Koers | 1 |
| Kloet | 1 | Koersveld, van | 7 |
| Klok | 1 | Koets | 2 |
| Klomp | 3 | Koetstra | 1 |
| Klompsma | 1 | Kogels | 1 |
| Klooster | 1 | Koghee | 1 |
| Klooster, van 't | 2 | Kohnen | 1 |
| Klooster, van der | 1 | Kok | 25 |
| Kloosterga | 1 | Kokkeler | 1 |
| Kloosterhof | 7 | Kol, van | 2 |
| Kloosterman | 115 | Koldewaayer | 1 |
| Kloppenburg | 5 | Koldewayer | 5 |
| Klos | 1 | Koldeweijer | 2 |
| Klotter | 2 | Koldeweyer | 1 |
| Klumper | 2 | Kolk | 4 |
| Klumpert | 6 | Kolk, van der | 14 |
| Klumpker | 1 | Kolk, van de | 1 |
| Knappstein | 2 | Kolkena | 5 |
| Knegt, de | 1 | Köllmann | 2 |
| Kniep | 1 | Kolman | 2 |
| Knijpstra | 2 | Kolmer | 2 |
| Knikker | 1 | Kolmeyer | 1 |
| Knol | 10 | Kolthoff | 1 |
| Knollema | 2 | Kolwayer | 1 |
| Knoop | 12 | Kolweyer | 3 |
| Knoppers | 3 | Komar | 1 |
| Knossen | 3 | Komdeur | 1 |
| Knoust | 2 | Kommerkamp | 1 |
| Knück | 3 | Kommers | 1 |
| Knuif | 2 | Koniecznij | 1 |
| Knuvelder | 1 | Konig | 2 |
| Kobessen | 2 | Koning | 28 |
