| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| Labhrainn | - | Scottish | ||
| Lachie | - | Scottish | ||
| Lachina | - | Scottish | ||
| Lachlan | - | Scottish, English (Australian) | ||
| Lauchlan | - | Scottish | ||
| Lennon | LEN-ən | Scottish, English (Rare) | ||
| Lennox | LEN-əks | Scottish, English (Rare) | ||
| Lenox | LEN-əks | Scottish, English (Rare) | ||
| LiÙSaidh | - | Scottish | ||
| Lileas | - | Scottish | ||
| Lilias | - | Scottish | ||
| Lillias | - | Scottish | ||
| Lindsay | LINDZ-ee | English, Scottish | ||
| Lindsey | LINDZ-ee | English, Scottish | ||
| Lockie | LAHK-ee | Scottish |