| Name | Meaning | Gender | Origin |
|---|
| Kenny | English, born of fire, handsome | Male | English |
| Kentucky | | Unisex | |
| Kerry | dark, dark-haired | Male | Irish |
| Kimmy | Cyneburga's Royal Forest, Meadow | Unisex | English |
| Kip | From The Pointed Hill | Unisex | English |
| Kirby | church settlement | Male | Norse |
| Kit | Nickname for Christopher. Frontiersman Kit Carson.
| Male | English |
| Lacy | Derived from Lacey which is a French Nobleman's surname brought to British Isles after Norman conquest.
| Male | |
| Lance | knight's attendant; land | Male | English |
| Lane | narrow road | Male | English |
| Larry | Abbreviation of Lawrence or Laurence often used as an independent name.
| Male | English |
| Lawson | son of Lawrence | Male | English |
| Lee | Healer
| Male | English |
| Lefty | Left handed person. Member of the political left. | Unisex | |
| Leland | from the meadow land | Male | English |
| Leon | lion | Male | Greek |
| Leroy | The king.
| Male | |
| Levi | United | Male | Hebrew |
| Lew | Refuge | Unisex | |
| Lewis | Renowned fighter. Form of Louis.
| Male | English |
| Lionel | Cousin of Lancelot
| Male | Latin |
| Lloyd | gray | Male | Welsh |
| Lobo | Wolf | Unisex | Italian |
| Logan | little hollow | Male | Scottish |
| Lorrie | Laurel | Unisex | English |