| Kristine | | kris-TEEN (English), kris-TEE-nə (German) | Norwegian, Danish, Swedish, English, German | |
| Kristoffer | | KREES-tof-fer (Finnish) | Swedish, Norwegian, Danish, Finnish | |
| Laila (2) | | LIE-lah | Danish, Norwegian, Swedish, Finnish | |
| Lars | | LAHSH (Swedish, Norwegian), LAHRS (Danish, Finnish) | Swedish, Norwegian, Danish, Finnish, Dutch, German | |
| Lasse | | LAHS-se (Danish, Finnish) | Swedish, Norwegian, Danish, Finnish | |
| Laurits | | - | Danish, Norwegian | |
| Lauritz | | - | Danish, Norwegian | |
| Lea | | LE-ah (German, Finnish) | German, Dutch, Swedish, Norwegian, Danish, Finnish, Slovene, Croatian | |
| Leif | | LAYF | Swedish, Norwegian, Danish | |
| Leiv | | - | Norwegian | |
| 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 | |
| Lennart | | LE-nahrt (Low German) | Swedish, Danish, Norwegian, Low German, Dutch | |
| Leo | | LE-o (German, Finnish), LAY-o (Dutch), LEE-o (English) | German, Dutch, Swedish, Norwegian, Danish, Finnish, English, Croatian, Late Roman | |
| Lilly | | LIL-ee (English) | English, Swedish, Norwegian, Danish | |