| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| KORNELI | - | Georgian | ||
| KORNELIA | kawr-NE-lee-ah (German), kawr-NEL-yah (Polish) | German, Polish | ||
| KORNELIJA | - | Croatian, Serbian | ||
| KORRINE | kə-REEN | English (Rare) | ||
| KORTNEY | KORT-nee | English (Modern) | ||
| KORY | KAWR-ee | English | ||
| KOSMAS | - | Ancient Greek | ||
| KOSTA | - | Bulgarian | ||
| KOSTADIN | - | Bulgarian, Macedonian | ||
| KOSTANDIN | - | Albanian | ||
| KOSTYA | - | Russian | ||
| KOSTYANTYN | - | Ukrainian | ||
| KOTONE | ko-to-ne | Japanese | ||
| KOTRYNA | - | Lithuanian | ||
| KOU | - | Hmong |