| Kleo | - | Greek Name | KLIMENT | - | Russian Name |
| Kloe | - | American Name | Kloee | - | Greek Name |
| Kloey | - | Greek Name | Knoton | - | American Name |
| Knox | - | English Name | Knud | - | Danish Name |
| Koa | - | Hawaiian Name | Koba | - | Japanese Name |
| Kobe | - | Hebrew Name | Kobe | - | Japanese Name |
| Kobi | - | Hungarian Name | Kobi | - | English Name |
| Kobie | - | English Name | Koby | - | German Name |
| Koda | - | African Name | Kodie | - | English Name |
| Kody | - | English Name | Koel | - | Hindu Name |
| Koen | - | Dutch Name | Koenraad | - | Dutch Name |
| Kofi | - | African Name | Kohana | - | American Name |
| Kohath | - | Biblical Name | Kohen | - | Hebrew Name |
| Kohinoor | - | Indian Name | Kohinoor | - | Muslim Name |
| Kohl | - | German Name | Koi | - | Japanese Name |
| Koila | - | Muslim Name | Kojo | - | African Name |
| Kokhahcyumest | - | American Name | Kokila | - | Indian Name |
| Kokila | - | Hindu Name | Koko | - | American Name |
| Kokyangwuti | - | American Name | Kola | - | Indian Name |
| Kolariah | - | Biblical Name | Kolb | - | Armenian Name |
| Kolbi | - | English Name | Kolbie | - | English Name |
| Kolby | - | American Name | Koldobika | - | Basque Name |
| Koldobike | - | Basque Name |
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