| Name | Meaning | Gender | Origin |
| Lincoln | Lake settlement, lake colony | Male | English |
| Lindsay | Uncertain, perhaps dark lake | Female | Gaelic |
| Lindsey | Lincoln island | Unisex | English |
| Linh | Spring | Female | Vietnamese |
| Linne | Waterfall | Female | English |
| Litton | Torrent/gate enclosure/settlement | Male | English |
| Lorelei | Murmuring rock | Female | German |
| Loring | Of Lothair | Unisex | French |
| Lorraine | Of Lothair | Female | French |
| Lucia | Light | Female | Latin |
| Lupe | Valley of the wolves | Female | Spanish |
| Lupita | Abbreviation Of Guadalupe. | Female | English |
| Lyn | "A Cascade."Variants Include Lynn, Linn, Lynna, And Lynne. | Female | English |
| Lyndsey | Lincoln island | Unisex | English |
| Lynn | Dwells By The Torrent | Female | English |
| Lynna | Abbreviation Of Lynnette Who Accompanied Sir Gareth On A Knightly Quest In Arthurian Legend: Variant Of The Irish Gaelic Word Lann Meaning House: Church. | Female | English |
| Lynne | A Cascade | Unisex | English |
| Lyre | Harp, Lyre | Male | English |
| Madhav | Descendant of Madhu | Male | Sanskrit |
| Madhavi | Descendant of Madhu | Female | Sanskrit |
| Madhu | Sweet | Female | Sanskrit |
| Mae | The fifth month of the year | Female | English |
| Magdalen | Of Magdala | Female | Hebrew |
| Magdalena | Of Magdala | Female | Hebrew |
| Magdalene | Of Magdala | Female | Hebrew |
| Mai | Ocean or elegance | Female | Chinese |
| Maire | Bitter | Female | English |
| Mairi | Uncertain, maybe bitter | Female | Hebrew |
| Maiya | Uncertain, perhaps mother or great one | Female | Greek |
| Malila | Salmon, rushing upstream | Female | Native American |