| Lasen | From the Mountain's Peak |
| Laski | A Lighthearted Man |
| Lasky | A Lighthearted Man |
| Laurenci | Derived from Latin, meaning 'laurel tree' or 'laurel wreath'. |
| Laurencius | Derived from Latin, meaning 'laurel tree' or 'laurel wreath' with a strong suffix. |
| Lavaine | Derived from Old French, meaning 'noble' or 'exalted' with a suffix. |
| Lavine | Latin name meaning from the vine. |
| Lawa | Derived from Old English, meaning 'law' or 'custom'. |
| Lawerence | Latin name meaning laurel crowned. |
| Lealla | Derived from Old French, meaning 'noble' or 'exalted' with a suffix. |
| Leavold | Derived from Old English, meaning 'noble' or 'exalted' with a suffix. |
| Leaxa | Derived from Old English, meaning 'noble' or 'exalted' with a suffix. |
| Leerie | Derived from Old English, possibly meaning 'clear' or 'bright' |
| Leferich | Old English name meaning 'peaceful ruler' |
| Leffeyne | Old English name meaning 'bright, shining one' |
| Lefric | Old English name meaning 'peaceful ruler' |
| Lefrich | Old English name meaning 'peaceful ruler' |
| Lefricus | Old English name meaning 'peaceful ruler' |
| Lefuuinus | Latinized form of Old English name 'Lefwine', meaning 'bright, shining one' |
| Lefwinus | Old English name meaning 'bright, shining one' |
| Lejoy | Old English name meaning 'joyful' or 'happy' |
| Lelius | Latinized form of Old English name 'Laelius', meaning 'youthful' |
| Lelli | Old English name meaning 'youthful' or 'young' |
| Lemos | Old English name meaning 'meadow' or 'clearing' |
| Lendca | Old English name meaning 'heavenly' or 'divine' |
| Leodbriht | Old English name meaning 'famous, bright' |
| Leodegance | Old English name meaning 'people's gift' |
| Leodegran | Old English name meaning 'people's spear' |
| Leodhere | Old English name meaning 'people's army' |
| Leodwald | Old English name meaning 'people's ruler' |
| Leofard | Old English name meaning 'beloved, dear' |
| Leofeca | Old English name meaning 'beloved, dear' |
| Leofede | Old English name meaning dear oath. |
| Leofel | Old English name meaning dear elf. |
| Leofgeat | Old English name meaning dear Goth. |
| Leofgiest | Old English name meaning dear guest. |
| Leofheah | Old English name meaning dear high. |
| Leofing | Beloved descendant or kin |
| Leofnoth | Beloved and bold in battle |
| Leofred | A beloved and wise counselor |