| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Krista | KRIS-tah (German), KRIS-tə (English), KREES-tah (Finnish) | German, English, Finnish | ||
| Kristian | KREES-tyahn (Swedish), KREES-tee-ahn (Finnish) | Swedish, Norwegian, Danish, Finnish | ||
| Kristiina | KREES-tee:-nah (Finnish) | Finnish, Estonian | ||
| Kristoffer | KREES-tof-fer (Finnish) | Swedish, Norwegian, Danish, Finnish | ||
| Kukka | KOOK-kah | Finnish | ||
| Kustaa | KOOS-tah: | Finnish | ||
| Kusti | KOOS-tee | Finnish | ||
| KyÖSti | KUY-uus-tee | Finnish | ||
| Kylli | KUYL-lee | Finnish | ||
| Kyllikki | KUYL-leek-kee (Finnish) | Finnish, Finnish Mythology |