| Name | Gender | Meaning | Favorites |
| Kaiandokht | Girl | Daughter of Kayanian family | |
| Kaidokht | Girl | Daughter of a king, Princess | |
| Kamran | Boy | Success | |
| Kaniz | Boy | Servant, Slave girl | |
| Kansbar | Boy | Treasure Master | |
| 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 | |
| Kharmen | Girl | Proud, Sensitive | |
| Khorshed | Girl | Cheerful, Shining sun | |
| Khortdad | Boy | Perfection | |
| Khubrui | Girl | Of fine features | |
| Khurmand | Girl | Possessing glory | |
| Khushmand | Girl | Happy | |
