| Kathryne |
| Kathrynn |
| Kati |
| Katy |
| Katya |
| katydid |
| katydids |
| Katie |
| Katik |
| Katina |
| Katine |
| Katinka |
| kation |
| kations |
| katipo |
| Katipunan |
| Katipuneros |
| Katyusha |
| katjepiering |
| Katlaps |
| Katleen |
| Katlin |
| Katmai |
| Katmandu |
| katmon |
| Kato |
| katogle |
| Katonah |
| Katowice |
| Katrina |
| Katryna |
| Katrine |
| Katrinka |
| kats |
| Katsina |
| Katsuyama |
| katsunkel |
| katsup |
| Katsushika |
| Katsuwonidae |
| Katt |
| Kattegat |
| Katti |
| Kattie |
| Kattowitz |
| Katuf |
| katuka |
| Katukina |
| katun |
| katurai |
| Katuscha |
| Katusha |
| Katushka |
| Katz |
| Katzen |
| katzenjammer |
| Katzir |
| Katzman |
| Kauai |
| kauch |
| Kauffman |
| Kauffmann |
| Kaufman |
| Kaufmann |
| Kaukauna |
| Kaule |
| Kaumakani |
| Kaunakakai |
| Kaunas |
| Kaunda |
| Kauppi |
| Kauravas |
| kauri |
| kaury |
| kauries |
| kauris |
| Kauslick |
| Kautsky |
| kava |
| Kavaic |
| kavakava |
| Kavalla |
| Kavanagh |
| Kavanaugh |
| Kavaphis |
| kavas |
| kavass |
| kavasses |
| kaver |
| Kaveri |
| Kavi |
| kavika |
| Kavita |
| Kavla |
| Kaw |
| kaw- |
| Kawabata |
| Kawaguchi |
| Kawai |
| kawaka |