| Name | Meaning | Gender | Origin |
|---|
| Jude | Praise | Male | Hebrew |
| Julian | Down-bearded youth | Male | Latin |
| Julius | Down-bearded youth | Male | Latin |
| Justin | Righteous, just, fair | Male | Latin |
| Kale | Uncertain, perhaps slender | Male | Gaelic |
| Kayden | "Variation Of Kadin, Friend, Companion" | Male | English |
| Keane | Descendant of Cathán | Male | Gaelic |
| Keefe | Handsome | Male | English |
| Keefer | Barrelmaker Variation Of Cooper. Surname. | Male | English |
| Keene | Ancient. | Male | English |
| Keiran | Little dark one | Male | Gaelic |
| Ken | Born of fire | Male | Gaelic |
| Kenneth | Born of fire | Male | Gaelic |
| Kenny | Good looking | Male | Gaelic |
| Kenzie | Handsome | Unisex | Gaelic |
| Keven | Handsome Child. Variant Of Kevin. | Male | English |
| Kevin | Beautiful at birth | Male | Gaelic |
| Kevon | Handsome Child. Variant Of Kevin. | Male | English |
| Kiefer | Barrel-maker | Male | German |
| Kieran | Little dark one | Male | Gaelic |
| Knox | Round-topped hill | Male | English |
| Kyle | Church | Male | Gaelic |
| Kyler | A mix of Kyle and Tyler | Male | English |
| Lalit | Handsome | Male | Indian |
| Lance | Territory | Male | German |
| Lawrence | Crowned with laurel | Male | French |
| Lennox | From Levenach | Male | Gaelic |
| Leo | Lion | Male | Latin |
| Leon | Lion | Male | Latin |
| Leopold | Bold people | Male | Germanic |