| AleŠ | | - | Czech, Slovak, Slovene | |
| Aleks | | - | Russian, Ukrainian, Slovene, Polish | |
| Aleksander | | ahl-ek-SAHN-der (Polish) | Polish, Slovene, Albanian, Estonian, Norwegian, Danish | |
| Aleksandra | | ah-lyek-SAHN-drah (Russian), ah-leek-SAHN-drah (Russian), ahl-ek-SAHN-drah (Polish) | Russian, Ukrainian, Polish, Serbian, Bulgarian, Slovene, Croatian, Macedonian, Estonian | |
| Aleksej | | - | Slovene | |
| Alen | | AHL-en (Croatian) | Croatian, Slovene | |
| Alena | | - | German, Czech, Slovak, Slovene | |
| Alenka | | - | Slovene | |
| Alfonz | | - | Slovene | |
| AljaŽ | | - | Slovene | |
| AljoŠA | | - | Slovene, Croatian | |
| Alojz | | - | Slovene, Slovak, Croatian | |
| Alojzij | | - | Slovene | |
| Alojzija | | - | Slovene, Croatian | |
| Amadej | | - | Slovene | |