| Klyara | Woman | American Names |
| Kolsana | Woman | American Names |
| Kori | Woman | American Names |
| Korrine | Woman | American Names |
| Kort | Man | American Names |
| Kory | Unisex | American Names |
| Kourtney | Unisex | American Names |
| Kreeli | Woman | American Names |
| Kris | Unisex | American Names |
| Krisalyn | Woman | American Names |
| Krissa | Woman | American Names |
| Kristopher | Man | American Names |
| Krosstin | Man | American Names |
| Krystal | Woman | American Names |
| Kurt | Man | American Names |
| Kwanze | Unisex | American Names |
| Kya | Woman | American Names |
| Kyan | Unisex | American Names |
| Kyden | Unisex | American Names |
| Kye | Unisex | American Names |