| Name | Meaning | Gender | Origin |
|---|
| Kathleen | Innocent
| Female | Anglicized |
| Kawaii | | Unisex | |
| Keiko | Japanese for happy or beloved | Female | Japanese |
| Kelly | Lively: aggressive.
| Female | Irish |
| Kendall | ruler of the valley | Female | English |
| Kia | season's beginning | Female | African |
| Lace | From Lassy, Normandy | Unisex | English |
| Lady | A female title of nobility. | Female | |
| Lalima | Beauty and Goddess Laxmi
| Female | |
| Lassie | Girl
| Female | |
| Laverna | Born in the spring
| Female | |
| Leah | cow, weary one; glad tidings; mistress, ruler | Female | Hebrew |
| Lilo | generous one | Female | |
| Lorda | Reference to the Virgin Mary
| Female | |
| Louise | Renowned fighter. Feminine of Louis.
| Female | |
| Love | loved one | Female | Word |
| Lucille | light | Female | |
| Lullaby | | Unisex | |
| Madame Edgecombe | Works in the Dept. of Magical Transportation
| Female | |
| Madison | son of a mighty warrior; son of Maud | Female | English |
| Maggie | Abbreviation of Margaret. A pearl.
| Female | English |
| Mairia | Bitter
| Female | |
| Manya | Bitter
| Female | |
| Marble | | Unisex | |
| Margaret | after Margaret Thatcher | Female | Greek |