| Name | Gender | Meaning | Favorites |
| Kareem | Boy | Kind | |
| Karim | Boy | Generous | |
| Kashmira | Girl | Beauty of Kashmir, From Kashmir, Grape | |
| Katayun | Girl | Name of the Queen of King Gushtasp | |
| Katin | Girl | Belonging to the house | |
| Kaveh | Boy | Ancient Hero | |
| Kayan | Boy | A star | |
| Kayzad | Boy | Born of royalty | |
| Keherafrid | Girl | Made of chestnut or bay color | |
| Kerbanu | Girl | A lady of felicity, Strength | |
| Keshvar | Girl | Country, Region | |
| Keyvan | Boy | Universe, World | |
| Khaleel | Boy | Friend | |
| Khalil | Boy | Friend | |
| Kharmen | Girl | Proud, Sensitive | |
| Khorshed | Girl | Cheerful, Shining sun | |
| Khortdad | Boy | Perfection | |
| Khubrui | Girl | Of fine features | |
| Khurmand | Girl | Possessing glory | |
| Khushmand | Girl | Happy | |
