| Adela | | ə-DEL-ə (English), ah-DE-lah (Polish) | English, Spanish, Romanian, Polish, Ancient Germanic | |
| Adelina | | ah-de-LEE-nah (Italian), ah-dhe-LEE-nah (Spanish) | Italian, Portuguese, Spanish, Romanian, German, Bulgarian, Ancient Germanic (Latinized) | |
| Adeodatus | | - | Late Roman | |
| Adina (2) | | - | Romanian | |
| Adrian | | AY-dree-ən (English), AHD-ryahn (Polish), AH-dree-ahn (German), ah-dree-AHN (Russian) | English, Romanian, Polish, German, Swedish, Norwegian, Danish, Russian | |
| Adriana | | ahd-RYAH-nah (Italian, Spanish, Polish), ayd-ree-AN-ə (English) | Italian, Spanish, Portuguese, Romanian, Polish, Czech, Slovak, English | |
| Aegidius | | - | Late Roman | |
| Aelia | | - | Ancient Roman | |
| Aeliana | | - | Ancient Roman | |
| Aelianus | | - | Ancient Roman | |
| Aelius | | - | Ancient Roman | |
| Aemilia | | - | Ancient Roman | |
| Aemiliana | | - | Ancient Roman | |
| Aemilianus | | - | Ancient Roman | |
| Aemilius | | - | Ancient Roman | |