| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Kambiz | - | Persian | ||
| Kambujiya | - | Ancient Persian | ||
| Katayun | - | Persian | ||
| Kaveh | - | Persian, Persian Mythology | ||
| Khadijeh | - | Persian | ||
| Khodadad | - | Persian | ||
| Khordad | - | Persian Mythology | ||
| Khorshid | - | Persian | ||
| Khshayarsha | - | Ancient Persian | ||
| Khurshid | - | Persian, Urdu, Persian Mythology | ||
| Khwaja | - | Persian | ||
| Kian (1) | - | Persian | ||
| Kianoush | - | Persian | ||
| Kshathra Vairya | - | Persian Mythology | ||
| Kurush | - | Ancient Persian |