| Leo | | LE-o (German, Finnish), LAY-o (Dutch), LEE-o (English) | German, Dutch, Swedish, Norwegian, Danish, Finnish, English, Croatian, Late Roman | |
| 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 | |
| Leontyne | | - | English (Rare) | |
| Leopold | | LE-o-pawlt (German), LAY-o-pawlt (Dutch), LEE-ə-pold (English), le-AW-pawlt (Polish) | German, Dutch, English, Slovene, Polish | |
| Leroi | | LEE-roi | English (Rare) | |
| Leroy | | LEE-roi | English | |
| Les | | LES, LEZ | English | |
| Lesia | | - | English | |
| Lesleigh | | LEZ-lee, LES-lee | English (Rare) | |
| Lesley | | LEZ-lee, LES-lee | English | |
| Leslie | | LEZ-lee, LES-lee | English | |