| Klara-Lena | - | Serbian Name | Klarissa | - | French Name |
| Klaudia | - | Latin Name | Klavdiya | - | Ukrainian Name |
| Kleo | - | Greek Name | Kloe | - | American Name |
| Kloee | - | Greek Name | Kloey | - | Greek Name |
| Koba | - | Japanese Name | Koel | - | Hindu Name |
| Kohana | - | Japanese Name | Kohinoor | - | Muslim Name |
| Koila | - | Muslim Name | Kokila | - | Indian Name |
| Kokila | - | Hindu Name | Koko | - | American Name |
| Kokyangwuti | - | American Name | Kola | - | Indian Name |
| Kolbi | - | English Name | Kolbie | - | English Name |
| Kolbrún | - | Icelandic Name | Kolby | - | American Name |
| Koldobike | - | Basque Name | Kolete | - | Basque Name |
| Kolette | - | Greek Name | Kolinka | - | Danish Name |
| Kolka | - | Icelandic Name | Kollrun | - | Norse Name |
| Kolora | - | Aborigin Name | Komal | - | Indian Name |
| Komala | - | Indian Name | Komalasari | - | Indonesian Name |
| Komali | - | Hindu Name | Komi | - | African Name |
| Komila | - | Muslim Name | Kona | - | Hawaiian Name |
| Konstantina | - | German Name | Kontxesi | - | Basque Name |
| Koorine | - | Aborigin Name | Koqika | - | Eskimo Name |
| Kora | - | Aborigin Name | Koralee | - | Latin Name |
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