| Name | Meaning | Gender | Origin |
|---|
| Kai | Rejoice | Male | Finnish |
| Kaspar | Treasurer | Male | Persian |
| Kelsey | Cenel's land | Unisex | English |
| Ken | Born of fire | Male | Gaelic |
| Kenn | Abbreviation Of Names Beginning With Ken- | Male | English |
| Kipp | A pointed hill | Male | English |
| Kipper | A pointed hill | Unisex | English |
| Lamar | Of the Sea | Male | Latin |
| Lirit | Lyrical | Unisex | Hebrew |
| Lyle | Island | Male | French |
| Lyric | Lyric | Unisex | English |
| Madison | Son of Maud | Unisex | English |
| Maisy | Pearl. Variant Of Margaret. | Unisex | English |
| Mandar | Slow | Male | Sanskrit |
| Mar | Lord | Unisex | English |
| Mare | Uncertain, maybe bitter | Unisex | Hebrew |
| Marin | From the god Mars | Unisex | Latin |
| Marita | Bitter | Unisex | Dutch |
| Marmaduke | Devotee of Maedoc | Male | Gaelic |
| Marv | Friend Of The Sea | Male | Hungarian |
| Marvin | Uncertain, possibly eminent marrow | Male | Welsh |
| Mele | Song | Male | Hebrew |
| Meri | Mirthful: Joyous. Also An Abbreviation Of Meredith. | Unisex | English |
| Meris | Of The Sea | Unisex | Latin |
| Merlin | Sea fort | Male | Welsh |
| Merrill | Bright as the sea | Male | Gaelic |
| Merv | Famous | Male | English |
| Mervin | Uncertain, possibly eminent marrow | Male | Welsh |
| Meryl | Bright as the sea | Unisex | Gaelic |
| Moises | Drawn from the water | Male | Hebrew |