| Laadah | Boy | Uncertain | Uncertain Meaning; Order (?) | |
| Laadan | Boy | Hebrew | Uncertain Meaning; Put in order (?) | |
| Laban | Boy | Hebrew | White | |
| Lael | Boy | Hebrew | Belonging to God, (devoted) to God | |
| Laish | Boy | Hebrew | Lion | |
| Lamech | Boy | Hebrew | Uncertain Meaning; Destroyer (?) | |
| Lazarus | Boy | Greek | Greek for Eleazar [God helped] | |
| Leah | Girl | Hebrew | Weary, Languid, Delicate | |
| Lehabim | Boy | Hebrew | Flames | |
| Lemuel | Boy | Hebrew | Belonging to God, (devoted) to God (?) | |
| Libni | Boy | Hebrew | Whiteness, White | |
| Likhi | Boy | Hebrew | Learned, Fond of learning (?) | |
| Linus | Boy | Greek | Flax | |
| Lo-ammi | Boy | Hebrew | Not my people | |
| Lo-ruhamah | Girl | Hebrew | Not pitied, Not having obtained mercy | |
| Lois | Girl | Uncertain | Uncertain Meaning | |
| Lot | Boy | Hebrew | Veil, A covering | |
| Lotan | Boy | Hebrew | Covering, Veiling | |
| Lucas | Boy | Latin | Uncertain Meaning | |
| Lucifer | Boy | Hebrew | Shining, Light-bearer | |
| Lucius | Boy | Latin | Illuminative, A noble (?) | |
| Lud | Boy | Hebrew | Uncertain Meaning; Strife (?) | |
| Ludim | Boy | Hebrew | Uncertain Meaning; Pl. for Lud | |
| Luke | Boy | Latin | Uncertain meaning; Man from Lucania(?) | |
| Lydia | Girl | Latin | Woman from Lydia; Uncertain meaning | |