| Lennard | | LEN-ərd | English (Rare) | |
| Lennie | | LEN-ee | English | |
| Lennon | | LEN-ən | Scottish, English (Rare) | |
| Lennox | | LEN-əks | Scottish, English (Rare) | |
| Lenny | | LEN-ee | English | |
| Lenora | | - | English | |
| Lenore | | lə-NAWR | English | |
| Lenox | | LEN-əks | Scottish, English (Rare) | |
| Leo | | LE-o (German, Finnish), LAY-o (Dutch), LEE-o (English) | German, Dutch, Swedish, Norwegian, Danish, Finnish, English, Croatian, Late Roman | |
| Leobwin | | - | Ancient Germanic | |
| Leola | | - | English | |
| Leon | | LEE-awn (English), LE-awn (German, Polish) | English, German, Polish, Slovene, Croatian, Dutch, Ancient Greek | |
| Leona | | lee-O-nə (English), LE-o-nah (German) | English, German | |
| Leonard | | LEN-ərd (English), LAY-o-nahrt (Dutch) | English, Dutch, German, Ancient Germanic | |
| Leone (2) | | - | English | |