| Kazuko | A name meaning a peaceful, only child. |
| Kealamauloa | A name meaning the eternal pathway. |
| Kealohilani | A name meaning the bright heavens. |
| Keduse | Uncommon name, possibly derived from Kedus, meaning 'gift' or 'present' |
| Keeara | Variant of Keara, meaning 'little dark one' or 'dark-haired' |
| Keelen | Variant of Keelan, meaning 'slender' or 'fair' |
| Keeona | Variant of Keona, meaning 'born on a Sunday' |
| Keeyon | A gift from the heavens |
| Kehly | Church, Descendant of Caollaidhe |
| Keimoni | Hawaiian name meaning 'child of the sea' |
| Kelaghan | Descendant of the brightheaded. |
| Keleen | A slender and graceful woman. |
| Kelita | A small and delicate flower. |
| Kellyann | A graceful and bright woman. |
| Kenara | One who brings bright light. |
| Kency | A person of great wisdom. |
| Kenli | A bright and clear meadow spirit. |
| Kensa | The first or leader of the group. |
| Kenver | Variant of Kenneth, means 'born of fire' or 'passionate' |
| Keonna | Variant of Kiana, means 'beautiful' or 'strong' |
| Kepler | Variant of Kepler, means 'traveler' or 'wanderer' |
| Kerolin | A free person of land |
| Kesavadevi | Goddess who has beautiful hair |
| Keshen | Variant of Keshawn, means 'gift of God' or 'blessed' |
| Keshvara | Lord of the beautiful hair |
| Keshwaree | Lord Krishna and Shiva |
| Ketali | One with Shelter |
| Ketti | A person of strong, steady spirit. |
| Kewanna | A name meaning home or shelter. |
| Khaleela | A very dear, close friend. |
| Khaleesi | A queen or royal ruler. |
| Khamees | A Persian title of nobility, equivalent to a noble or aristocrat. |
| Khamil | A Persian title of nobility, equivalent to a noble or aristocrat. |
| Khan Sahib | A Persian title of respect, equivalent to a lord or gentleman. |
| Khanbahadur | A Persian title of nobility, equivalent to a noble or aristocrat. |
| Khanda i Gull | A Persian title of nobility, equivalent to a noble or aristocrat. |
| Khandahmina | A Persian title of nobility, equivalent to a noble or aristocrat. |
| Kharin | A name meaning one who is pure hearted. |
| Kharooj | A type of tax or tribute |
| Khasais | A type of Persian or Arabic poem |