| Name | Group | Language of Origin | Languages of Use | Meaning/Translation or Related Words | US 2021 |
|---|
| Kayson | Kayson | Unknown | English | | #283 |
| Kazimir | Casimir | Polish | Russian | Words: destroy / great, famous / peace | |
| Kazuki | Kazuki | Japanese | Kanji symbol, Japanese | 1 tree | |
| Kazuko | Kazuko | Japanese | Kanji symbol, Japanese | peace child | |
| Kazumi | Kazumi | Japanese | Kanji symbol, Japanese | harmony and beauty | |
| Kazuya | Kazuya | Japanese | Kanji symbol, Japanese | Words: harmony, peace / be | |
| Keandre | Keandre | Unknown | English | | |
| Keanna | Kianna | Unknown | English | | |
| Keano | Keanu | Hawaii | Dutch | maybe the cool | |
| Keanu | Keanu | Hawaii | Hawaii | maybe the cool | #532 |
| Keara | Kieran/Ciara | Old Irish | English | the black | |
| Keenan | Cian | Old Irish | English, Irish | ancient | |
| Kefli | Kefli | Arabic | Malay | | |
| Keiko | Keiko | Japanese | Kanji symbol, Japanese | happy child | |
| Keila | Keila | Unknown | English | | |
| Keion | Keyon | Unknown | English | | |
| Keira | Kieran/Ciara | Old Irish | English | the black | #471 |
| Keiran | Kieran/Ciara | Old Irish | Scottish | the black | |
| Keisha | Lakeisha | Swahili | English | favorite one | |
| Keishla | Keishla | Unknown | English | | |
| Keisuke | Keisuke | Japanese | Kanji symbol, Japanese | Words: blessing, kindness / between | |
| Keld | Kettil/Katla | Old Norse | Scandinavian | Words: kettle, helmet | |
| Kelian | Cillian | Old Irish | French | maybe war, strife | |
| Kelis | Kelis | Unknown | English | | |
| Kellen | Kellen | Unknown | English | | #861 |
| Kelley | Kelly/Kelly | Old Irish | English | Words: church, monastery | |
| Kelli | Kelly/Kelly | Old Irish | English | Words: church, monastery | |
| Kellie | Kelly/Kelly | Old Irish | English | Words: church, monastery | |
| Kelly | Kelly/Kelly | Old Irish | English, Irish | Words: church, monastery | #848 |
| Kelly | Kelly/Kelly | Old Irish | English, Irish | Words: church, monastery | |
| Kelyan | Cillian | Old Irish | French | maybe war, strife | |
| Kemal | Kemal | Turkish | Turkish | | |
| Ken | Ken/Kenna | Celtic | German, English | the handsome | |
| Kende | Kende | Unknown | Hungarian | | |
| Kendy | Kendy | Unknown | English | | |
| Kenji | Kenji | Japanese | English | | #845 |
| Kenna | Ken/Kenna | Celtic | English | the handsome | #709 |
| Kennard | Kennard | Old English | English | Words: royal / warden, guard | |
| Kenneth | Ken/Kenna | Celtic | English | the handsome | #258 |
| Kenneth | Cináed | Old Irish | English | born of fire | |
| Kenny | Ken/Kenna | Celtic | English, Scottish, Irish | the handsome | |
| Kensley | Kensley | Unknown | English | | #563 |
| Kenta | Kenta | Japanese | Kanji symbol, Japanese | Words: healthy, health / great, excellent, thick | |
| Kenza | Kenza | Arabic | Arabic | | |
| Kenzo | Kenzo | Japanese | Kanji symbol, Japanese | Words: healthy, health / three | #529 |
| Keon | Keon | Unknown | English | | |
| Kerem | Kerem | Turkish | Turkish | Words: kindness | |
| Kerim | Karim/Karima | Arabic | Turkish | generous, noble | |
| Kerima | Karim/Karima | Arabic | Turkish | generous, noble | |
| Keriman | Karim/Karima | Arabic | Turkish | generous, noble | |
| Keron | Keron | Unknown | Estonian | | |
| Kesler | Kesler | Unknown | English | | |
| Kettil | Kettil/Katla | Old Norse | Scandinavian | Words: kettle, helmet | |
| Keven | Kevin | Old Irish | English | the beautiful, the gentle | |
| Kévim | Kevin | Old Irish | Portuguese | the beautiful, the gentle | |
| Kevin | Kevin | Old Irish | German, English, Irish | the beautiful, the gentle | #182 |
| Kevon | Kevin | Old Irish | English | the beautiful, the gentle | |
| Keyon | Keyon | Unknown | English | | |
| Khadija | Khadija | Arabic | Arabic, Swahili | premature child | |
| Khadijah | Khadija | Arabic | English | premature child | |
| Khai | Kai/Kaja | Old High German | English | | #986 |
| Khair al-Nisa | Khairunnisa | Arabic | Arabic | Words: good | |
| Khairunnisa | Khairunnisa | Arabic | Arabic | Words: good | |
| Khalani | Khalani | Unknown | | | #858 |
| Khalid | Khalid/Khalida | Arabic | Arabic | eternal | #884 |
| Khalida | Khalid/Khalida | Arabic | Arabic | eternal | |
| Khalish | Khalish | Unknown | Malay | | |
| Khatija | Khadija | Arabic | Arabic | premature child | |
| Khatijah | Khadija | Arabic | Malay | premature child | |
| Khayr al-Nisa | Khairunnisa | Arabic | Arabic | Words: good | |
| Khaza | Khaza | Unknown | English | | |
| Kia | Kya | Unknown | English | | |
| Kiaan | Kiaan | Unknown | Indian | | #752 |
| Kian | Cian | Old Irish | English, Irish | ancient | #453 |
| Kiana | Kiana | Unknown | Persian | elements of nature | |
| Kianna | Kianna | Unknown | English | | |
| Kiano | Keanu | Hawaii | German | maybe the cool | |
| Kiara | Kieran/Ciara | Old Irish | English | the black | #332 |
| Kiarra | Kieran/Ciara | Old Irish | English | the black | |
| Kiera | Kieran/Ciara | Old Irish | English | the black | #972 |
| Kieran | Kieran/Ciara | Old Irish | English, Irish | the black | #488 |
| Kieron | Kieran/Ciara | Old Irish | English, Irish | the black | |
| Kierra | Kieran/Ciara | Old Irish | English | the black | |
| Kifli | Kefli | Arabic | Malay | | |
| Kiki | Kiki | Unknown | Dutch, English | | |
| Kiley | Kylie | Australian | English | maybe boomerang | |
| Kilian | Cillian | Old Irish | German, English | maybe war, strife | |
| Killian | Cillian | Old Irish | German, English | maybe war, strife | #347 |
| Kilyan | Cillian | Old Irish | French | maybe war, strife | |
| Kimani | Kimani | Gikuyu | English, Gikuyu | maybe great | |
| Kimete | Kimete | Unknown | Albanian | | |
| Kimi | Kimi | Finnish | Finnish | | |
| Kimon | Kimon | Old Greek | Greek | | |
| Kimora | Kimora | Unknown | English | | #911 |
| Kine | Kine | Unknown | Scandinavian | | |
| Kinslee | Kinsley | Unknown | English | | #730 |
| Kinsley | Kinsley | Unknown | English | | #57 |
| Kira | Cyrus/Kyra | Old Persian | Russian | Words: lord | #384 |
| Kíra | Cyrus/Kyra | Old Persian | Hungarian | Words: lord | |
| Kiran | Kiran | Sanskrit | Hindi | ray of light | |
