| Name | Meaning | Gender | Origin |
|---|
| Lassie | Young girl | Female | English |
| Latimer | Keeper of records in Latin | Male | English |
| Leighton | Leek settlement | Male | English |
| Leland | Land lying fallow | Male | English |
| Leoma | Clever | Female | English |
| Lex | Defending men | Unisex | Greek |
| Lilian | My God is a vow | Female | Hebrew |
| Lin | Fine jade | Female | Chinese |
| Linette | "Bird."Variants Include Lynet And Lynette. | Female | English |
| Lister | | Unisex | Hebrew |
| Lizbeth | My God is a vow | Female | Hebrew |
| Lloyd | Grey | Male | Welsh |
| Lois | Battle Maiden | Female | Greek |
| Lora | Laurel | Female | Latin |
| Loretta | Laurel | Female | Latin |
| Lorna | From Laurentium: The Place Of The Laurel Trees: Place Of Honor And Victory. Feminine Of Lawrence. | Female | English |
| Lowell | Wolf | Male | English |
| Lyn | "A Cascade."Variants Include Lynn, Linn, Lynna, And Lynne. | Female | English |
| Lyndon | Lime tree hill | Male | English |
| Lynette | Bird | Female | 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 |
| Mae | The fifth month of the year | Female | English |
| Magen | Shield | Female | Hebrew |
| Maida | Little maid | Female | English |
| Mannix | Little monk | Male | Gaelic |
| Mariam | Uncertain, maybe bitter | Female | Aramaic |
| Marian | Uncertain, maybe bitter | Female | Hebrew |
| Marlin | A Form Of Merle. | Unisex | English |