| Kabir | Hindu | |
| Kabos | Hebrew | swindler |
| Kada | Hungarian | |
| Kadin | Arabic | friend, companion |
| Kadir | Arabic | Powerful. |
| Kadosa | Hungarian | |
| Kahn | Hindu | |
| Kahoku | Hawaiian | star |
| Kai | Hawaiian, Navajo Indian | sea, willow tree |
| Kaikara | Ugandan | traditional name of God |
| Kailash | Hindu | |
| Kain | Irish Gaelic | Warlike. |
| Kalani | Hawaiian | Of the Heavens. |
| Kalb | Arabic | dog |
| Kalden | Tibetan/Sherpa | Of the golden age. |
| Kale | Hawaiian | strong and manly |
| Kaleb | Hebrew | The devoted one. |
| Kaleo | pure | |
| Kalid | Arabic | Eternal. |
| Kalidas | Hindu | the poet, musician |
| Kalil | Arabic | good/best friend |
| Kalkin | Hindu | tenth incarnation of God Vishnu |
| Kalman | Hungarian | strong and manly |
| Kalpanath | Hindu | |
| Kalti | Aboriginal | A spear. |
| Kama | Sanskrit/Thai | Sanskrit: The golden one. Thai: Love. A boy or girl's name. |
| Kamadev | Hindu | god of love |
| Kamal | Arabic | Perfect. |
| Kami | Aboriginal | A prickly lizard. |
| Kamil | Arabic/Czech | Arabic: Perfecr. Czech: From a Roman family name. A boy or girl's name. |
| Kamlesh | Hindu | |
| Kanak | Hindu | gold |
| Kanan | Hindu | |
| Kanaye | Japanese | zealous one |
| Kane | Irish Gaelic | Warlike. A boy or girl's name. |
| Kaniel | Arabic/Hebrew | Arabic: Spear-like. Hebrew: A reed. |
| Kano | Japanese | The God of the waters. |
| Kapil | Hindu | name of a rishi |
| Kaplony | Hungarian | tiger |
| Kapolcs | Hungarian | |
| Karan | Sanskrit | A warrior. |
| Kardal | Arabic | mustard seed |
| Kardos | Hungarian | swordsman |
| Karel | Czech/Dutch | A free person. A boy or girl's name. |
| Kari | Aboriginal | Smoke. |
| Karim | Arabic | Noble and generous. |
| Karl | German/Scandinavian | A free man. |
| Karma | Tibetan/Sherpa | A star. A boy or girl's name. |
| Karol | Polish | A free person. A boy or girl's name. |
| Karsa | Hungarian | falcon |
| Karsten | German | A follower of Christ. A Christian. |
| Kartal | Hungarian | eagle |
| Kartik | Hindu | |
| Kartikeya | Hindu | Subramanyam, Skanda, son of Shiva and Parvati |
| Kasch | German | like a blackbird |
| Kasen | Latin | protected with a helmet |
| Kasey | Irish Gaelic | The vigilant one. |
| Kasim | Arabic | One who shares or distributes. |
| Kasimir | German | The great destroyer. |
| Kaspar | German | The treasurer. The name of one of the three wise men in the new testament. Also see Gaspar and Jasper. |
| Kasper | Polish | The treasurer. The name of one of the three wise men in the new testament. Also see Gaspar and Jasper. |
| Kateb | Arabic | writer |
| Kathel | Irish Gaelic | A battle ruler. |
| Kauri | Polynesian | A New Zealand tree. |
| Kaushal | Hindu | |
| Kaushik | Hindu | |
| Kavan | Irish Gaelic | The handsome one. |
| Kavi | Hindu | poet |
| Kay | Welsh | Rejoiced in. A boy or girl's name. |
| Kayin | Yoruban | celebrated child |
| Kayne | Irish Gaelic | Warlike. |
| Kazimir | Czech | The great destroyer. |
| Kean | Irish Gaelic | Ancient. Also see Keane. |
| Keane | Old English | Handsome and bold. |
| Kearney | Celtic | warrior |
| Keary | Celtic | father's dark child |
| Keaton | ||
| Kedar | Arabic | Powerful. |
| Keefe | Irish Gaelic | Handsome, noble. |
| Keegan | Irish Gaelic | Fiery, determined. |
| Keeland | Gaelic | little and slender |
| Keeley | Irish Gaelic | Beautiful. A boy or girl's name. |
| Keenan | Irish Gaelic | Little, ancient. |
| Keeran | Irish Gaelic | Dark, black. |
| Kees | Dutch | Horn-coloured. From the name Cornelius. |
| Kegan | Celtic | fiery |
| Keir | Scottish/Celtic | Scottish: Probably from the surname Kerr. Celtic: Dark. |
| Keiran | Irish Gaelic | Little and dark. |
| Keith | Celtic | The wind. |
| Kelan | Irish Gaelic | Slender. |
| Kelby | Old German | From the farm by the spring or ridge. |
| Keled | Hungarian | |
| Keleman | Hungarian | gentle, kind |
| Kell | Old Norse | From the well or spring. |
| Kellen | German | swamp |
| Keller | Irish Gaelic | Little companion. |
| Kelly | Irish Gaelic | A warrior. A boy or girl's name. |
| Kelsey | Old Norse | A dweller on the island or by the water. A boy or girl's name. |
| Kelso | Scottish | A Scottish town. |
| Kelt | Greek | A Celtic person. |
| Kelvin | Scottish/English | Friend of ships. |
| Kemal | Arabic | Perfect. |
| Kembell | Celtic | Warrior chief. |
| Kemble | Celtic | Warrior chief. |
| Kemenes | Hungarian | furnace maker |
| Kemp | Old English | A warrior, or champion. |
| Ken | Scottish Gaelic | Handsome and fair, or born of fire. From the name Kenneth and other names beginning with `Ken'. |
| Kenan | Cornish | The name of a legendary Cornish king. |
| Kendall | English | Valley of the river Kent. |
| Kende | Hungarian | name of a honor |
| Kendra | Celtic | loving male |
| Kendrick | Celtic/Old English | Celtic: A hill. Old English: Royal power. |
| Kenelm | Old English | A brave friend or protector. |
| Kenley | Old English | From the royal meadow. |
| Kenn | Welsh/Celtic | Clear as bright water. |
| Kennard | Old English | Bold and hardy. |
| Kennedy | Irish Gaelic | Royal. |
| Kenneth | Scottish Gaelic | Handsome and fair, or born of fire. |
| Kenny | Scottish Gaelic | Handsome and fair, or born of fire. |
| Kenrich | Welsh, Old English | chief hero; royal ruler |
| Kenrick | Old English | A bold ruler. |
| Kent | Celtic | Bright, white. Also from the English county, and from the name Kenneth. |
| Kenton | Old English | From the royal manor or estate. |
| Kenver | Cornish | A great chief. |
| Kenward | Old English | A bold guardian, a brave soldier. |
| Kenwyn | Cornish/Welsh | The name of a saint. A boy or girl's name. |
| Kenya | The name of an African country. A boy or girl's name. | |
| Kenyon | Irish Gaelic | White or fair-haired. |
| Keon | African | |
| Keona | Hawaiian | God?s gracious gift |
| Keoni | Polynesian | The righteous one. |
| Ker | English | house |
| Kerby | Teutonic/Old Norse | From the church village. |
| Kerecsen | Hungarian | falcon |
| Kereteki | Polynesian | A mythological figure. |
| Kermit | Gaelic/Irish Gaelic | A free man. |
| Kern | Irish Gaelic | The little dark one. |
| Kernick | Cornish | From the little corner. |
| Kernow | Cornish | From Cornwall. |
| Kerr | Norse | marshland |
| Kerrin | Irish Gaelic | Dark, black. |
| Kerry | Irish Gaelic | The dark one. Also the name of an Irish county. A boy or girl's name. |
| Kers | Todas Indian | name of a plant |
| Kersen | Indonesian | A cherry. |
| Kerwin | Irish Gaelic | The little black-haired one. |
| Keshav | Hindu | Krishna's name |
| Kester | Scottish | Scottish form of Christopher. Bearing Christ. |
| Ketan | Hindu | |
| Keve | Hungarian | pebble |
| Keverne | Irish Gaelic | The name of a saint and a placename. A boy or girl's name. |
| Kevin | Irish Gaelic | Handsome, beautiful. |
| Keyon | Old English | guiding, leading |
| Khairi | Swahili | kingly |
| Khalid | Arabic | Eternal. |
| Khalif | Arabic | Successor. |
| Khalil | Arabic | A friend. |
| Khorshed | Persian | sun |
| Khortdad | Persian | perfection |
| Khoury | Arabic | priest |
| Kiefer | German | barrel-maker |
| Kieran | Irish | Dark, black. |
| Killara | Aboriginal | Permanent, always there. Also the name of a Sydney suburb. |
| Killian | Irish Gaelic | The little warlike one. |
| Kim | Vietnamese | The golden one or from the meadow.. A boy or girl's name. |
| Kimball | Celtic | Warrior chief. |
| Kimberley | Old English | From the meadow. A boy or girl's name. |
| Kin | Japanese | golden |
| King | English | A ruler, a sovereign. |
| Kinga | ||
| Kingsley | Old English | From the king's wood or meadow. |
| Kingston | Old English | From the king's town. |
| Kinnard | Irish Gaelic | From the high hill. |
| Kinnel | Gaelic | dweller at the head of the cliff |
| Kinsey | Old English | A victorious king or prince. |
| Kintan | Hindu | wearing a crown |
| Kipling | Middle English | one who cures salmon or herring |
| Kipp | English | The dweller on the pointed hill. |
| Kiran | Sanskrit | A ray of light. |
| Kirby | Teutonic/Old Norse | From the church village. A boy or girl's name. |
| Kirill | Russian | Lordly. |
| Kirit | Hindu | crown, tiara |
| Kirk | Old Norse | A dweller by the church. |
| Kirkley | Old English | From the church meadow. |
| Kirkwood | Old English | From the church wood. |
| Kiron | Greek | A wise teacher. |
| Kirwin | Irish Gaelic | The little black-haired one. |
| Kisho | Japanese | one who knows his own mind |
| Kishore | Hindu | |
| Kit | Greek | Bearing Christ or pure. A boy or girl's name. |
| Kito | Swahili | A jewel. |
| Kitto | Cornish | Bearing Christ. From the name Christopher. |
| Kiva | Hebrew | Protected. |
| Kiyoshi | Japanese | The quiet one. |
| Klaas | Dutch | The victory of the people. |
| Klaes | Frisian | The victory of the people. |
| Klaud | Latin | The lame one. |
| Klaus | Greek | Leader in victory. |
| Klea | ||
| Klemens | German | Merciful, mild. |
| Kliment | Russian | Merciful, mild. |
| Knox | Irish Gaelic | From the Hillod. |
| Knut | Old Norse | A knot. The name of several Danish kings. |
| Kolet | Aboriginal | A dove. |
| Kolos | Hungarian | scholar |
| Kolya | Aboriginal | Winter. Also a Russian nickname from Nikolai (see Nicholas). |
| Konan | Irish Gaelic | Wise and intelligent. |
| Konol | Aboriginal | The sky. |
| Konrad | German/Polish | German and Polish form of Conrad. Bold, wise counsellor. |
| Konstantin | German/Russian/Scandinavian | Steadfast. |
| Kont | Hungarian | |
| Kontar | Ghanese | only child |
| Koora | Aboriginal | The day. |
| Koorong | Aboriginal | A canoe. |
| Korey | Celtic/Gaelic | Dweller in the hollow. A boy or girl's name. |
| Kornel | Czech/Polish | A horn. |
| Korvin | Latin | crow |
| Kosmo | Greek | Perfect order, harmony. |
| Kostya | Russian | Steadfast. |
| Kovan | ||
| Kozma | Greek | decoration |
| Kripa | Hindu | has a twin sister Kripi |
| Kris | Greek | A follower of Christ, a Christian. A boy or girl's name. |
| Krischnan | Greek | christian |
| Krishna | Sanskrit | Dark, black. |
| Krispen | Latin | The curly-haired one. |
| Krispin | Latin | The curly-haired one. |
| Kristen | Danish | A follower of Christ, a Christian. A boy or girl's name. |
| Kristian | Swedish | A follower of Christ. A Christian. |
| Kristoffer | Scandinavian | Bearing Christ. The patron saint of travellers. Also see Christian. |
| Krunal | Hindu | |
| Kulan | Aboriginal | A possum. |
| Kuldeep | Hindu | |
| Kulvir | Hindu | |
| Kumar | Sanskrit | A boy or son. |
| Kunal | Hindu | |
| Kund | Hungarian | a name of a honor |
| Kupe | Polynesian | The name of a heroic explorer. |
| Kurt | German | A bold counsellor. |
| Kuruk | Native American | A bear. |
| Kusagra | Hindu | a king |
| Kush | Hindu | son of Rama |
| Kushan | Hindu | |
| Kwan | Korean | Strong. |
| Kyle | Scottish Gaelic | From the narrow strait. Also the name of a Scottish region. |
| Kyler | Dutch | archer |
| Kynan | Irish Gaelic | Wise and intelligent. |
| Kyne | Old English | Royal. |
| Kyran | Irish | Dark, black. |