| Name | Group | Language of Origin | Languages of Use | Meaning/Translation or Related Words | US 2021 |
|---|
| Kaan | Kaan | Turkish | Turkish | | |
| Kaapo | Gabriel/Gabriele | Hebrew | Finnish | strong man of God, hero of God; God is my hero | |
| Kaarlo | Karl/Charlotte/Carla | Old High German | Finnish | Words: man, husband | |
| Kabeer | Kabir | Arabic | Arabic, Hindi | the great | |
| Kabir | Kabir | Arabic | Arabic, Hindi | the great | #834 |
| Kace | Kace | Unknown | English | | #871 |
| Kacey | Casey/Casey | Old Irish | English | descendant of Cathasaigh | |
| Kacper | Jasper | Old Persian | Polish | treasurer | |
| Kade | Cade | Unknown | English | | #380 |
| Kadeem | Kadim | Arabic | English | maybe servant | |
| Kaden | Caden/Kayden | Old Irish | English | son of Cadán | #260 |
| Kadim | Kadim | Arabic | Arabic | maybe servant | |
| Kadin | Kadin | Unknown | Arabic | maybe friend, companion | |
| Kadir | Kadir | Arabic | Turkish, Arabic | Words: servant / of / capable, powerful | |
| Kadyn | Caden/Kayden | Old Irish | English | son of Cadán | |
| Kaeden | Caden/Kayden | Old Irish | English | son of Cadán | |
| Kael | Caol | Old Irish | English | slender, narrow | |
| Kahlil | Khalil/Khalilah | Arabic | English | friend | |
| Kahurangi | Kahurangi | Maori | Maori | blue, dark blue, precious | |
| Kai | Cei | Unknown | English | | |
| Kai | Kai | Unknown | Maori | | |
| Kai | Kai/Kaja | Old High German | German, Low German | | #71 |
| Kaiden | Caden/Kayden | Old Irish | English | son of Cadán | #162 |
| Kail | Kyle/Kyle/Kyla | Old Irish | Maltese | Words: narrow, slender | |
| Kain | Kain | Hebrew | German | maybe spear | |
| Kaíque | Carlos Henrique | Portuguese | Portuguese | | |
| Kairo | Cairo | Arabic | English | Cairo | #262 |
| Kais | Kais | Unknown | Arabic | | |
| Kaïs | Kais | Unknown | French | | |
| Kaisen | Kayson | Unknown | English | | |
| Kaiser | Cäsar/Cesira | Latin | English | Words: cut, excise | #792 |
| Kaison | Kayson | Unknown | English | | #464 |
| Kaito | Kaito | Japanese | Kanji symbol, Japanese | Words: sea / sake dipper, Big Dipper | |
| Kaitoa | Kaitoa | Maori | Maori | maybe warrior | |
| Kaizen | Kayson | Unknown | English | | |
| Kaj | Kai/Kaja | Old High German | German, Low German | | |
| Kajetan | Kajetan/Kajetana | Latin | German | from Caieta | |
| Kajetonas | Kajetan/Kajetana | Latin | Lithuanian | from Caieta | |
| Kajus | Kajetan/Kajetana | Latin | Lithuanian | from Caieta | |
| Kale | Karl/Charlotte/Carla | Old High German | English, Hawaii | Words: man, husband | |
| Kaleb | Caleb | Hebrew | German | dog | #245 |
| Kalel | Kalel | Unknown | English | | #973 |
| Kalen | Kalen | Unknown | English | | |
| Kalerva | Kaleva | Unknown | Finnish | | |
| Kalervo | Kaleva | Unknown | Finnish | | |
| Kaleva | Kaleva | Unknown | Finnish | | |
| Kalevi | Kaleva | Unknown | Finnish | | |
| Kalixtus | Callisto/Callista | Old Greek | German | most beautiful | |
| Kalle | Karl/Charlotte/Carla | Old High German | Scandinavian | Words: man, husband | |
| Kallistus | Callisto/Callista | Old Greek | German | most beautiful | |
| Kálmám | Koloman | Celtic | Hungarian | maybe hermit | |
| Kaloyan | Kaloyan | Unknown | Bulgarian | | |
| Kalvin | Calvin | Old French | English | the little bald one | |
| Kamal | Kamal | Arabic | Arabic | perfection | |
| Kamari | Kamari/Kamari | Unknown | English | | #391 |
| Kamden | Camden | Old English | English | Words: valley | #475 |
| Kamdyn | Camden | Old English | English | Words: valley | #962 |
| Kamel | Kamal | Arabic | Arabic | perfection | |
| Kameron | Cameron/Cameron | Old Irish | English | crooked nose | #343 |
| Kamil | Camillo/Camilla | Latin | Polish | maybe acolyte | |
| Kamillo | Camillo/Camilla | Latin | German | maybe acolyte | |
| Kamillus | Camillo/Camilla | Latin | German | maybe acolyte | |
| Kamren | Cameron/Cameron | Old Irish | English | crooked nose | |
| Kamron | Cameron/Cameron | Old Irish | English | crooked nose | |
| Kamryn | Cameron/Cameron | Old Irish | English | crooked nose | |
| Kan | Kan | Japanese | Kanji symbol, Japanese | generous | |
| Kanaan | Canaan | Hebrew | German | | |
| Kanan | Kanan | Unknown | Azerbaijani | | |
| Kandidus | Candido/Candida | Latin | German | white | |
| Kane | Cathán | Old Irish | English, Irish | Words: battle | #329 |
| Kang | Kang | Mandarin | Kanji symbol, Mandarin | peaceful, happy, healthy | |
| Kannon | Canon | Old French | English | canon, priest | #593 |
| Kanye | Kanye | Unknown | English | | |
| Kåre | Kåre | Old Norse | Scandinavian | Words: curly, wavy | |
| Kareem | Karim/Karima | Arabic | English | generous, noble | #693 |
| Karel | Karl/Charlotte/Carla | Old High German | Dutch, Czech | Words: man, husband | |
| Kari | Kåre | Old Norse | Finnish | Words: curly, wavy | |
| Kári | Kåre | Old Norse | Icelandic | Words: curly, wavy | |
| Karim | Karim/Karima | Arabic | Arabic | generous, noble | |
| Karl | Karl/Charlotte/Carla | Old High German | German, Scandinavian | Words: man, husband | |
| Karlheinz | Karlheinz | German | German | | |
| Karl-Heinz | Karlheinz | German | German | | |
| Karlis | Karl/Charlotte/Carla | Old High German | Latvian | Words: man, husband | |
| Karlo | Karl/Charlotte/Carla | Old High German | Serbo-Croatian | Words: man, husband | |
| Karmi | Carmi | Hebrew | German | Words: vineyard | |
| Karol | Karl/Charlotte/Carla | Old High German | Polish | Words: man, husband | |
| Károly | Karl/Charlotte/Carla | Old High German | Hungarian | Words: man, husband | |
| Karsen | Carson/Carson | Old Norse | English | maybe son of Carr | |
| Karson | Carson/Carson | Old Norse | English | maybe son of Carr | #304 |
| Karsten | Christian/Christine | Latin | German, Low German | Christian, disciple of Christ | |
| Karsyn | Carson/Carson | Old Norse | English | maybe son of Carr | #950 |
| Karter | Carter | Old English | English | cart driver | #200 |
| Kartier | Carter | Old English | English | cart driver | #967 |
| Kartik | Kartik/Kartika | Sanskrit | Indian | the Pleiades | |
| Kary | Carey | Old Irish | English | descendant of Ciardha | |
| Kase | Case | Unknown | English | | #825 |
| Kasen | Kayson | Unknown | English | | #474 |
| Kasey | Casey/Casey | Old Irish | English | descendant of Cathasaigh | |
| Kash | Cash | Old French | English | Words: case | #239 |
| Kashton | Kashton | Unknown | English | | #436 |
