| Name | Gender | Pronounced | Usage | Popularity |
|---|---|---|---|---|
| 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 | ||
| Leobwin | - | Ancient Germanic | ||
| Leonard | LEN-ərd (English), LAY-o-nahrt (Dutch) | English, Dutch, German, Ancient Germanic | ||
| Leudagar | - | Ancient Germanic | ||
| Leudbald | - | Ancient Germanic | ||
| Leudoberct | - | Ancient Germanic | ||
| Leutgard | - | Ancient Germanic | ||
| Leuthar | - | Ancient Germanic | ||
| Leutwin | - | Ancient Germanic | ||
| Linza | - | Ancient Germanic | ||
| Liupold | - | Ancient Germanic | ||
| Lothar | LO-tahr (German) | German, Ancient Germanic |