| Alexei | | ah-lyek-SYAY (Russian), ah-leek-SYAY (Russian) | Russian, Ukrainian, Belarusian | |
| Alexey | | ah-lyek-SYAY (Russian), ah-leek-SYAY (Russian) | Russian, Ukrainian, Belarusian | |
| Alexios | | - | Ancient Greek | |
| Alexis | | ah-LEK-sis (German), al-ek-SEE (French), ə-LEK-sis (English) | German, French, English, Greek, Ancient Greek | |
| Alexius | | - | Ancient Greek (Latinized) | |
| Alf (1) | | - | Swedish, Norwegian, Danish, Norse Mythology | |
| Alf (3) | | - | Swedish, Norwegian, Danish | |
| Alfarr | | - | Ancient Scandinavian | |
| Alfbern | | - | Ancient Germanic | |
| Alfeo | | ahl-FE-o | Italian | |
| Alfhard | | - | Ancient Germanic | |
| Alfher | | - | Ancient Germanic | |
| Alfhild | | - | Norwegian, Swedish | |
| Alfhildr | | - | Ancient Scandinavian | |
| Alfons | | AHL-fawns (German, Dutch, Polish) | German, Dutch, Polish, Ancient Germanic | |