| Name | Meaning | Gender | Origin |
|---|
| Keila | Who is like God? | Female | Hebrew |
| Kelby | Child's town | Male | English |
| Kell | Farm By The Spring | Male | English |
| Kelsey | Cenel's land | Unisex | English |
| Kelton | Town of the keels | Male | English |
| Kelvin | From the River Clyde | Male | English |
| Kendall | Valley of the River Kent | Female | Gaelic |
| Kenley | Wolf head | Male | Gaelic |
| Kent | Uncertain, perhaps coastal region | Male | English |
| Kenton | Royal town | Male | English |
| Kenya | The country of Kenya | Female | English |
| Kerr | Wetland | Male | English |
| Kerry | Country of the children of Ciar | Female | Gaelic |
| Kimberly | Variable prefix + forest clearing | Unisex | English |
| Kipp | A pointed hill | Male | English |
| Kirby | Church settlement | Female | Norse |
| Kodiak | Island | Unisex | Russian |
| Kyle | Church | Male | Gaelic |
| Lacy | Lacy | Female | English |
| Landon | Long hill | Male | English |
| Lane | Lane | Unisex | English |
| Lara | From the ancient city Larisa. | Female | Russian |
| Laramie | Surname With American Connotations Due To Laramie: A Town In Wyoming USA On The Overland Trail Of The Pony Express. | Unisex | American English |
| Latham | To the barns | Male | Norse |
| Lathrop | Meaning Unknown | Male | English |
| Lawrence | Crowned with laurel | Male | French |
| Lee | Clearing, meadow | Female | English |
| Leighton | Leek settlement | Male | English |
| Leland | Land lying fallow | Male | English |
| Leslie | Holly Garden | Female | Gaelic |