| Name | Group | Language of Origin | Languages of Use | Meaning/Translation or Related Words | US 2024 |
| Krasimir | Kresimir | Slavic | Bulgarian | Words: peace | |
| Kreshnik | Kreshnik | Albanian | Albanian | knight | |
| Kresimir | Kresimir | Slavic | Slavic | Words: peace | |
| Krew | Carew | Welsh | English | Words: castle, fortress | #583 |
| Kris | Christoph | Old Greek | German, English | carrying Christ | |
| Krish | Krishna | Sanskrit | Indian | black, dark | |
| Krishan | Krishan | Hindi | Hindi | | |
| Krishna | Krishna | Sanskrit | Indian | black, dark | |
| Krispin | Crispin/Crispina | Latin | German | curly haired | |
| Kristers | Christian/Christine | Latin | Latvian | Christian, disciple of Christ | |
| Kristi | Kristi | Albanian | Albanian | Christ | |
| Kristian | Christian/Christine | Latin | Scandinavian | Christian, disciple of Christ | |
| Kristijan | Christian/Christine | Latin | Slavic | Christian, disciple of Christ | |
| Kristinn | Christian/Christine | Latin | Icelandic | Christian, disciple of Christ | |
| Kristjan | Christian/Christine | Latin | Estonian | Christian, disciple of Christ | |
| Kristján | Christian/Christine | Latin | Icelandic | Christian, disciple of Christ | |
| Kristof | Christoph | Old Greek | Scandinavian | carrying Christ | |
| Kristóf | Christoph | Old Greek | Hungarian | carrying Christ | |
| Kristofer | Christoph | Old Greek | Scandinavian, English | carrying Christ | |
| Kristófer | Christoph | Old Greek | Icelandic | carrying Christ | |
| Kristoffer | Christoph | Old Greek | Scandinavian | carrying Christ | |
| Kristopher | Christoph | Old Greek | English | carrying Christ | |
| Krisztián | Christian/Christine | Latin | Hungarian | Christian, disciple of Christ | |
| Krisztofer | Christoph | Old Greek | Hungarian | carrying Christ | |
| Krue | Carew | Welsh | English | Words: castle, fortress | #931 |
| Krunoslav | Krunoslav | Unknown | Slavic | | |
| Krystian | Christian/Christine | Latin | Polish | Christian, disciple of Christ | |
| Krystof | Christoph | Old Greek | Czech | carrying Christ | |
| Krysztof | Christoph | Old Greek | Polish | carrying Christ | |
| Krzysztof | Christoph | Old Greek | Polish | carrying Christ | |
| Ksawery | Xavier/Xaveria | Basque | Polish | Words: house / new | |
| Kujtim | Kujtim/Kujtime | Albanian | Albanian | recollection, memoirs | |
| Kuluk | Kuluk | Greenlandic | Greenlandic | | |
| Kumar | Kumar | Sanskrit | Indian | boy, son | |
| Kunibald | Kunibald | Old High German | German | Words: tribe, clan / bold, brave | |
| Kunibert | Kunibert | Old High German | German | Words: tribe, clan / bright | |
| Kuno | Kuno | Old High German | German | Words: tribe, clan | |
| Kunz | Conrad/Konrada | Old High German | German | Words: bold / counsel, advice, advisor | |
| Kurt | Curt | Old High German | German | Words: bold / counsel, advice, advisor | |
| Kurtis | Curtis | Old French | English | courtly, courteous | |
| Kushtim | Kushtim | Albanian | Albanian | dedication, devotion | |
| Kushtrim | Kushtrim | Albanian | Albanian | slogan, battle cry | |
| Kuzey | Kuzey | Turkish | Turkish | north | |
| Kwame | Kwame | Akan | English, Akan | born on Saturday | |
| Kyaire | Kyaire | Unknown | English | | #653 |
| Kyan | Cian | Old Irish | English | ancient | |
| Kye | Kye | Unknown | English | | |
| Kylan | Kyle/Kyle/Kyla | Old Irish | English | Words: narrow, slender | #532 |
| Kyle | Kyle/Kyle/Kyla | Old Irish | English | Words: narrow, slender | #439 |
| Kylen | Kyle/Kyle/Kyla | Old Irish | English | Words: narrow, slender | #920 |
| Kyler | Kyler/Kyler | Dutch | English | maybe archer | #357 |
| Kylian | Cillian | Old Irish | German, English | maybe war, strife | #457 |
| Kyllian | Cillian | Old Irish | French | maybe war, strife | |
| Kylo | Kylo | Unknown | English | | #373 |
| Kymani | Kimani | Gikuyu | English, Gikuyu | maybe great | |
| Kyng | King | English | English | king | |
| Kyran | Kieran/Ciara | Old Irish | Irish, Maltese | the black | |
| Kyree | Kyrie | Old Greek | English | Lord | #801 |
| Kyren | Kyren | Unknown | English | | #812 |
| Kyrie | Kyrie | Old Greek | English | Lord | #235 |
| Kyrill | Cyrill/Cyrielle | Old Greek | German | Words: lord | |
| Kyrillus | Cyrill/Cyrielle | Old Greek | German | Words: lord | |
| Kyro | Kyro | Unknown | English | | #643 |
| Kyron | Kyrone | Unknown | English | | |
| Kyrone | Kyrone | Unknown | English | | |
| Kyros | Cyrus/Kyra | Old Persian | German | Words: lord | |
| Kyson | Kyson | Unknown | English | | #464 |