| Name | Group | Language of Origin | Languages of Use | Meaning/Translation or Related Words | US 2024 |
| Keisha | Lakeisha | Swahili | English | favorite one | |
| Keishla | Keishla | Unknown | English | | |
| Kejsi | Casey/Casey | Old Irish | Albanian | descendant of Cathasaigh | |
| Kelcie | Kelsey/Kelsey | Old English | English | Words: ship / victory | |
| Kelis | Kelis | Unknown | English | | |
| 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 | #867 |
| Kelsea | Kelsey/Kelsey | Old English | English | Words: ship / victory | |
| Kelsey | Kelsey/Kelsey | Old English | English | Words: ship / victory | #668 |
| Kelsi | Kelsey/Kelsey | Old English | English | Words: ship / victory | |
| Kelsie | Kelsey/Kelsey | Old English | English | Words: ship / victory | |
| Kembang | Kembang | Malay | Malay | flower, blossom | |
| Kendal | Kendall/Kendall | Old English | English | valley of the River Kent | |
| Kendall | Kendall/Kendall | Old English | English | valley of the River Kent | #310 |
| Kendra | Kendrick/Kendra | Celtic | English | maybe high hill | #687 |
| Kendy | Kendy | Unknown | English | | |
| Kendyl | Kendall/Kendall | Old English | English | valley of the River Kent | |
| Kenia | Kenya | Kamba | English | Kenya | |
| Kenley | Mackinley | Scottish | English | son of Finley | |
| Kenna | Ken/Kenna | Celtic | English | the handsome | #723 |
| Kennedi | Kennedy/Kennedy | Old Irish | English | ugly head | #685 |
| Kennedy | Kennedy/Kennedy | Old Irish | English | ugly head | #89 |
| Kensington | Kensington | Old English | English | Words: town, settlement, homestead | |
| Kensley | Kensley | Unknown | English | | #741 |
| Kenya | Kenya | Kamba | English | Kenya | |
| Kenza | Kenza | Arabic | Arabic | | |
| Kenzie | Mackenzie/Mackenzie | Scottish | English | son of Coinneach | #628 |
| Keri | Kerry/Kerry | Irish | English | Words: black, dark | |
| Kerima | Karim/Karima | Arabic | Turkish | generous, noble | |
| Keriman | Karim/Karima | Arabic | Turkish | generous, noble | |
| Kerri | Kerry/Kerry | Irish | English | Words: black, dark | |
| Kerrin | Katherine | Old Greek | German, Frisian | maybe the pure | |
| Kerry | Kerry/Kerry | Irish | English | Words: black, dark | |
| Kerstin | Christian/Christine | Latin | Scandinavian | Christian, disciple of Christ | |
| Kerttu | Gertrud | Old High German | Finnish | Words: spear / strength, power | |
| Ketty | Katherine | Old Greek | Italian | maybe the pure | |
| Keyla | Kayley | Old Irish | English | descendant of Caollaidhe | #803 |
| Kezia | Kezia | Hebrew | German, English | cassia, cinnamon | |
| Keziah | Kezia | Hebrew | English | cassia, cinnamon | #863 |
| Khadicha | Khadija | Arabic | Uzbek | premature child | |
| Khadija | Khadija | Arabic | Arabic, Swahili | premature child | |
| Khadijah | Khadija | Arabic | English | premature child | |
| Khair al-Nisa | Khairunnisa | Arabic | Arabic | Words: good | |
| Khairunnisa | Khairunnisa | Arabic | Arabic | Words: good | |
| Khalani | Khalani | Unknown | | | #898 |
| Khaleesi | Khaleesi | Unknown | English | | #665 |
| Khalida | Khalid/Khalida | Arabic | Arabic | eternal | |
| Khalilah | Khalil/Khalilah | Arabic | Arabic | friend | |
| Khatija | Khadija | Arabic | Arabic | premature child | |
| Khatijah | Khadija | Arabic | Malay | premature child | |
| Khayr al-Nisa | Khairunnisa | Arabic | Arabic | Words: good | |
| Khloe | Chloe | Old Greek | English | green shoot, young shoot | #232 |
| Khushi | Khushi | Hindi | Hindi | happiness, pleasure | |
| Kia | Kya | Unknown | English | | |
| Kiana | Kiana | Unknown | Persian | elements of nature | |
| Kiana | Diana | Latin | Hawaii | Words: light, daylight, deity | #718 |
| Kianna | Kianna | Unknown | English | | |
| Kiara | Kieran/Ciara | Old Irish | English | the black | #238 |
| Kiarra | Kieran/Ciara | Old Irish | English | the black | |
| Kiera | Kieran/Ciara | Old Irish | English | the black | #980 |
| Kierra | Kieran/Ciara | Old Irish | English | the black | |
| Kiersten | Christian/Christine | Latin | Scandinavian, English | Christian, disciple of Christ | |
| Kiki | Kiki | Unknown | Dutch, English | | |
| Kiley | Kylie | Australian | English | maybe boomerang | |
| Kim | Kimberley | Old English | English | Cyneburga's field | |
| Kimber | Kimberley | Old English | English | Cyneburga's field | #909 |
| Kimberlee | Kimberley | Old English | English | Cyneburga's field | |
| Kimberley | Kimberley | Old English | English | Cyneburga's field | |
| Kimberly | Kimberley | Old English | English | Cyneburga's field | #246 |
| Kimete | Kimete | Unknown | Albanian | | |
| Kimora | Kimora | Unknown | English | | |
| Kincsö | Kincsö | Hungarian | Hungarian | Words: treasure | |
| Kine | Kine | Unknown | Scandinavian | | |
| Kinga | Kunigunde | Old High German | Hungarian, Polish | Words: tribe, clan / fight | |
| Kinley | Mackinley | Scottish | English | son of Finley | #617 |
| Kinsey | Kinsey | Old English | English | royal victory | |
| Kinslee | Kinsley | Unknown | English | | |
| Kinsley | Kinsley | Unknown | English | | #85 |
| Kira | Cyrus/Kyra | Old Persian | Russian | Words: lord | #455 |
| Kíra | Cyrus/Kyra | Old Persian | Hungarian | Words: lord | |
| Kiriko | Kiriko | Japanese | Kanji symbol, Japanese | Words: paulownia / child | |
| Kirsa | Kirsa | Old High German | German, Scandinavian | maybe cherry | |
| Kirsten | Christian/Christine | Latin | German, Low German, Scandinavian | Christian, disciple of Christ | |
| Kirstie | Christian/Christine | Latin | English, Scottish | Christian, disciple of Christ | |
| Kirstin | Christian/Christine | Latin | German, Scandinavian | Christian, disciple of Christ | |
| Kirsty | Christian/Christine | Latin | English, Scottish | Christian, disciple of Christ | |
| Kitti | Katherine | Old Greek | Hungarian | maybe the pure | |
| Kitty | Katherine | Old Greek | English | maybe the pure | |
| Kiya | Kiya | Unknown | English | | |
| Klara | Clare | Latin | German | clear, bright | |
| Klára | Clare | Latin | Czech | clear, bright | |
| Klarina | Clare | Latin | German | clear, bright | |
| Klarinda | Clare | Latin | German | clear, bright | |
| Klarinde | Clare | Latin | German | clear, bright | |
| Klarine | Clare | Latin | German | clear, bright | |
| Klarissa | Clare | Latin | German, Latinized | clear, bright | |
| Klaudia | Claudius/Claudia | Latin | German, Hungarian | the limping | |
| Klaudija | Claudius/Claudia | Latin | Slavic | the limping | |