| # | Name | Origin | Meaning | Gender | |
|---|---|---|---|---|---|
| 601 | Laurenz | German | From the place of the laurel trees. | M | |
| 602 | Len | German | Diminutive of Leonard: Hardy lion or lion-bold. St Leonard is the patron saint of prisoners. Famous Bearers: American composer/conductor Leonard Bernstein; Italian Renaissance artist/scientist Leonardo da Vinci (in Italian form). | M | |
| 603 | Lenard | German | Lion-bold. | M | |
| 604 | Lennard | German | Lion-bold. | M | |
| 605 | Lenny | German | Diminutive of Leonard: Hardy lion or lion-bold. St Leonard is the patron saint of prisoners. Famous Bearers: American composer/conductor Leonard Bernstein; Italian Renaissance artist/scientist Leonardo da Vinci (in Italian form). | M | |
| 606 | Leon | German | Lion. The lion is a figure in art and religious symbolism of many cultures; symbolizing kingliness and grandeur and courage. | M | |
| 607 | Leonard | German | Hardy lion or lion-bold. St Leonard is the patron saint of prisoners. Famous Bearers: American composer/conductor Leonard Bernstein; Italian Renaissance artist/scientist Leonardo da Vinci (in Italian form). | M | |
| 608 | Leonie | German | Diminutive of Leonard: Hardy lion or lion-bold. St Leonard is the patron saint of prisoners. Famous Bearers: American composer/conductor Leonard Bernstein; Italian Renaissance artist/scientist Leonardo da Vinci (in Italian form). | M | |
| 609 | Leopold | German | Bold people. Prince of the people. | M | |
| 610 | Leopoldo | German | Prince of the people. | M | |
| 611 | Lewy | German | Famous fighter. | M | |
| 612 | Liam | German | Variant of William: Will-helmet. Famous Bearers: poet and playwright William Shakespeare (1564-1616) and William Wordsworth (1770-1850). | M | |
| 613 | Lindberg | German | From the linden tree hill. | M | |
| 614 | Lindeberg | German | From the linden tree hill. | M | |
| 615 | Lorah | German | Variant of Laura referring to the laurel tree or sweet bay tree symbolic of honor and victory. | M | |
| 616 | Lorenz | German | Laurel. | M | |
| 617 | Loring | German | Famous in battle. | M | |
| 618 | Loritz | German | Laurel. | M | |
| 619 | Lothair | German | Famous in battle. | M | |
| 620 | Lothar | German | Renowned warrior. | M | |