| Alta | | - | Various | |
| Alyona | | - | Russian | |
| Alyosha | | - | Russian | |
| Amarantha | | - | Various | |
| Anastas | | ah-nah-STAHS (Bulgarian) | Russian, Bulgarian | |
| Anastasia | | ah-nah-stah-SEE-yah (Russian), a-nə-STAY-zhə (English), a-nə-STAS-yə (English), ah-nahs-TAH-syah (Spanish), ah-nahs-TAH-zyah (Italian) | Greek, Russian, Ukrainian, Belarusian, English, Spanish, Italian, Ancient Greek | |
| Anastasiy | | - | Russian (Archaic), Bulgarian (Archaic) | |
| Anastasiya | | ah-nah-stah-SEE-yah (Russian, Ukrainian, Bulgarian) | Russian, Ukrainian, Belarusian, Bulgarian | |
| Anatoli | | ah-nah-TO-leey | Russian, Ukrainian | |
| Anatoliy | | ah-nah-TO-leey | Russian, Ukrainian | |
| Anatoly | | ah-nah-TO-leey | Russian | |
| Andrei | | ahn-DRYAY (Russian) | Romanian, Russian, Bulgarian, Old Church Slavic | |
| Andrey | | ahn-DRYAY (Russian) | Russian, Bulgarian | |
| Anfisa | | ahn-FEE-sah | Russian | |
| Angela | | AN-jəl-ə (English), AHN-je-lah (Italian), AHNG-ge-lah (German) | English, Italian, German, Dutch, Romanian, Slovene, Slovak, Russian, Macedonian, Late Roman | |