| Lambert | | LAHM-bert (German), LAHM-bərt (Dutch), lam-BER (French), LAM-bərt (English) | German, Dutch, French, English, Ancient Germanic | |
| Lamprecht | | LAHMP-rekht (German) | German (Archaic), Ancient Germanic | |
| Landebert | | - | Ancient Germanic | |
| Lanzo | | LAHN-tso (German) | German, Ancient Germanic | |
| Lara (1) | | LAHR-ə (English), LAH-rah (German, Italian, Spanish, Portuguese) | Russian, English, German, French, Italian, Spanish, Portuguese, Dutch, Hungarian, Slovene, Croatian | |
| Lars | | LAHSH (Swedish, Norwegian), LAHRS (Danish, Finnish) | Swedish, Norwegian, Danish, Finnish, Dutch, German | |
| Laurenz | | LOW-rents | German | |
| Lea | | LE-ah (German, Finnish) | German, Dutch, Swedish, Norwegian, Danish, Finnish, Slovene, Croatian | |
| Leberecht | | LE-be-rekht | German | |
| Lena | | LE-nah (German, Polish, Italian), LYE-nah (Russian), LEE-nə (English) | Swedish, Norwegian, Danish, German, Polish, Russian, English, Italian, Portuguese | |
| Lene | | LE-nə (German), LE-ne (Danish, Norwegian) | German, Danish, Norwegian | |
| Leni | | LE-nee | German | |
| Lennart | | LE-nahrt (Low German) | Swedish, Danish, Norwegian, Low German, Dutch | |
| Lenz | | LENTS | German | |
| Leo | | LE-o (German, Finnish), LAY-o (Dutch), LEE-o (English) | German, Dutch, Swedish, Norwegian, Danish, Finnish, English, Croatian, Late Roman | |