| Kayvan | World, universe |
| Kazem | One who restrains his anger: well-tempered, cool, patient. Alternate spelling: Kazim, Qazim |
| Kazi | A person who is a hard worker. |
| Kazim | An eventempered man; Restrainer. Controller of anger. |
| Kazima | One who controls, Suppress |
| Kazimah | One who controls her anger |
| Kebira | A name meaning great or powerful lady. |
| Kehara | One who is dear. |
| Kehkashan | The beautiful galaxy or stars. |
| Keila | Who is like God? |
| Kenwei | Resembling a water lily; Water lily. |
| Kenzaکینزا | A hidden and precious treasure. |
| Ketifa | A name meaning a plucked flower. |
| Keyaan | Crown, King, A form of keon |
| Keyan | Crown, King, A form of keon |
| Keyathکییات | From the battlefield |
| Keyvan | World, Universe |
| Khaadim | Variant of Khadim: Servant. Attendant. |
| Khaalid | Variant of Khalid: Immortal. Deathless. Eternal. |
| Khaalida | Variant of Khalida: Immortal. Deathless. |
| Khaan | Variant of Khan: Pathan. Leader. |
| Khaanam | Variant of Khanom: Lady. Noble woman |
| Khaatir | Variant of Khatir: Idea. Heart. |
| Khaatoon | Variant of Khatun: Lady. Noble woman. |
| Khaawar | Variant of Khawar: East/West. Vacant |
| Khaazin | Variant of Khazin: Treasurer. Cashier. |
| Khabbab | One who paces, Trots, Walk |
| Khabeer | A person who is very expert. |
| Khabira | A woman who is very skilled. |
| Khadeejaخدیجا | Name of Prophet Muhammads wife; Variant of Khadijah: Premature daughter. First wife of Prophet Muhammad. |
| KHADIJA | Swahili name meaning "born prematurely." |
| Khadijah | Muhammads first wife who the Koran describes as one of four perfect women. (Fatima and Mary and Aisha were the others.); Premature daughter. First wife of Prophet Muhammad. |
| Khadimخادیم | Servant of God; Servant. Attendant. |
| Khadin | A servant or a helper. |
| Khadra | Green, verdant, or sky. |
| Khafid | Easy, Comfortable, Smooth |
| Khafifa | A light or nimble person. |
| Khafiz | Easy, Comfortable, Smooth |
| Khaila | Crowned with laurels |
| Khair | Excellent. Benevolent. |