| Antonina | | ahn-taw-NEE-nah (Polish), ahn-tah-NEE-nah (Russian) | Italian, Polish, Russian, Ancient Roman | |
| Antoninus | | - | Ancient Roman | |
| Antonius | | an-TO:-ni-uws (Ancient Roman), ahn-TO-nee-us (Dutch) | Ancient Roman, Dutch | |
| Appius | | AP-pi-uws (Ancient Roman), AP-ee-əs (English) | Ancient Roman | |
| Aquila | | ə-KWIL-ə (English), AK-wil-ə (English) | Biblical, Ancient Roman | |
| Aquilina | | - | Ancient Roman | |
| Aquilinus | | - | Ancient Roman | |
| Aries | | AR-eez (English), ER-eez (English) | Roman Mythology | |
| Arthur | | AHR-thər (English), ar-TUYR (French), AHR-toor (German), AHR-tur (Dutch) | English, French, German, Dutch, Norwegian, Danish, Swedish, Welsh Mythology, Arthurian Romance | |
| Artur | | ər-TOOR (Portuguese), ar-TOOR (Galician), AHR-tuwr (Polish), AHR-toor (German) | Portuguese, Galician, Catalan, Polish, Russian, German, Estonian, Swedish, Romanian, Czech | |
| Atanase | | - | Romanian | |
| Atilius | | - | Ancient Roman | |
| Augusta | | ow-GUWS-tah (German, Polish), ow-GOOS-tah (Italian), ə-GUS-tə (English) | German, Italian, Portuguese, Polish, Dutch, English, Ancient Roman | |
| Augustin | | o-goos-TEN (French) | French, Czech, Romanian, Croatian, German | |
| Augustina | | - | Ancient Roman | |