| Adrijana | | - | Slovene, Serbian, Croatian, Macedonian | |
| Agata | | ah-GAH-tah (Italian, Spanish, Polish) | Italian, Spanish, Swedish, Polish, Slovene, Russian, Croatian, Serbian | |
| Albin | | AHL-been (Polish) | Swedish, Norwegian, Danish, Polish, French, English, Slovene | |
| Albina | | ahl-BEE-nah (Russian, Italian, Polish) | Russian, Ukrainian, Italian, Portuguese, Spanish, Slovene, Polish, German, Lithuanian, Ancient Roman | |
| 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 | |