| Kadin | - | Algerian Name | Kaiis | - | English Name |
| Kaila | - | Hawaiian Name | Kairi | - | Japanese Name |
| Kalani | - | Hawaiian Name | Kalin | - | American Name |
| Kameryn | - | American Name | Karma | - | Celtic Name |
| Kawaii | - | Hawaiian Name | Kaycee | - | American Name |
| Kaydnz | - | English Name | Keladry | - | American Name |
| Kellsie | - | American Name | Kelly | - | Irish Name |
| Kelsey | - | Scottish Name | Kenan | - | Biblical Name |
| Kenaz | - | Biblical Name | Kendall | - | English Name |
| Kenley | - | English Name | Kennedy | - | Irish Name |
| Kensington | - | English Name | Kensley | - | American Name |
| Kerry | - | Irish Name | Kiley | - | Irish Name |
| Kimberley | - | English Name | Kimberly | - | English Name |
| Kinley | - | Irish Name | Kory | - | American Name |
| Kourtney | - | American Name | Krishna | - | Sanskrit Name |
| Kylan | - | American Name |
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