- Kaamil – Perfect, complete
- Kabeer – Great, grand
- Kabir – Eminent, distinguished
- Kadin – Companion, friend
- Kafeel – Guarantor, responsible
- Kafil – Surety, sponsor
- Kahfi – Cave dweller (from Surah Al-Kahf)
- Kaif – Joy, pleasure
- Kaiser – King, emperor
- Kaisan – Wise, clever
- Kais – Firm, resolved
- Kamal – Perfection, excellence
- Kamali – Spirited, full of perfection
- Kamraan – Successful, prosperous
- Kamran – Fortunate, lucky
- Kaniz – Humble servant
- Kani – Wise, intelligent
- Kanz – Treasure
- Karam – Generosity, nobility
- Karamat – Miracle, gift of honor
- Karamullah – Blessing of Allah
- Karamatullah – Miracle from Allah
- Kareem – Generous, noble
- Karif – Born in autumn
- Karimullah – Generosity of Allah
- Kashan – A city in Iran, beautiful
- Kashif – Discoverer, revealer
- Kasim – Divider, distributor
- Kassem – Just, fair
- Kashir – Abundant, rich
- Kashanad – Famous, well-known
- Kashid – Persevering
- Kashirullah – Abundance from Allah
- Kashirh – Excellent, worthy
- Katib – Writer, scribe
- Kausar – A river in Paradise
- Kauser – Abundant, river of heaven
- Kaysan – Wise, well-behaved
- Kazi – Judge, magistrate
- Kazim – One who controls anger
- Kazeem – Restrainer of anger
- Khalaf – Successor, descendant
- Khalas – Pure, clear
- Khaldun – Eternal, everlasting
- Khaleel – Intimate friend
- Khaliq – Creator
- Khalid – Eternal, immortal
- Khalifa – Caliph, successor
- Khaleefa – Leader of Muslims
- Khalfan – Successor
- Khalilullah – Friend of Allah
- Khamis – Thursday-born, fifth
- Khamrah – Scented, fragrant
- Khattab – Orator, speaker
- Khair – Good, goodness
- Khairan – Benevolent, generous
- Khairullah – Goodness of Allah
- Khubaib – Small beloved
- Khulood – Eternity, everlasting
- Khursheed – Sun
- Khurshid – Bright, radiant
- Khidr – A righteous servant of Allah
- Khubaibah – Affectionate
- Khafid – One who brings down
- Khafiz – Humble
- Khazan – Treasure keeper
- Khazanah – Treasury, wealth
- Khayal – Imagination, thought
- Khayrat – Charitable acts
- Khazim – Self-controlled
- Khidrullah – Guide of Allah
- Khayri – Charitable
- Khubaibur – Beloved one
- Khulayf – Successor, follower
- Kifayat – Sufficiency, adequacy
- Kifayah – Contentment
- Kifah – Struggle, effort
- Kinan – Cover, protection
- Kinza – Hidden treasure
- Kinanat – Guarded, protected
- Kinanah – Container, vessel
- Kirdar – Character, nature
- Kitab – Book
- Kudama – Courageous, brave
- Kuddus – Holy, sacred
- Kumail – Complete, perfect
- Kurban – Sacrifice
- Kurdi – From Kurdistan
- Kutaiba – A companion’s name
- Kutub – Books (especially divine)
- Kuwaid – Firm, steady
- Kuwat – Strength, power
- Kuzaym – Restrained, composed
- Kutan – Safe, secure
- Kuwayb – Soft, gentle
- Kuzair – Intelligent, wise
- Kurtuba – Historic city in Andalusia
- Kunayl – Humble, modest
- Kunya – Title, epithet (e.g. Abu, Umm)
- Kuzma – Order, discipline
- Khatib – Preacher, speaker
- Khalood – Forever, immortality
- Khandan – Noble family
- Khateeb – Orator, preacher
- Khazanat – Wealthy, treasurer
- Khuzaymah – Name of a companion
- Khizran – Gift, generous
- Khidrani – Full of guidance
- Khulaif – Little caliph
- Khaloodi – Eternal
- Kanzan – Treasure holder
- Khoyrul – Best, excellent
- Khabbab – Name of a companion
- Kharaq – Lightning-fast
- Khuddus – Sacred
- Khalwati – Recluse, spiritual
- Khasib – Fertile, prosperous
- Khadeem – Servant
- Khamees – Brave, fifth
- Khuzama – Lavender (fragrant flower)
- Khari – Pure, kingly
- Khuzairan – Little wise one
- Kharraz – Craftsman, artisan
- Khushtar – Joyful, happy
