| # | Name | Origin | Meaning | Gender | Save |
|---|---|---|---|---|---|
| 21 | Alun | Welsh | From the Celtic Alan meaning harmony, stone, or noble. | M | |
| 22 | Alwin | Welsh | From Alwyn. | M | |
| 23 | Alwyn | Welsh | From Alwyn. | M | |
| 24 | Alys | Welsh | A form of the German Alice, meaning nobility. | F | |
| 25 | Amathaon | Welsh | Legendary son of Don. | M | |
| 26 | Amerawdwr | Welsh | Emperor. | M | |
| 27 | Amhar | Welsh | Legendary son of Arthur. | M | |
| 28 | Amlawdd | Welsh | Legendary father of Goieuddydd. | M | |
| 29 | Amren | Welsh | Legendary son of Bedwyr. | M | |
| 30 | Amser | Welsh | Time. | F | |
| 31 | Amynedd | Welsh | Patient. | M | |
| 32 | Amyneddgar | Welsh | Patient. | M | |
| 33 | Anarawd | Welsh | Legendary father of Iddig. | M | |
| 34 | Andras | Welsh | Manly; brave. Variant of English Andrew. | M | |
| 35 | Andreas | Welsh | Welsh form of Andrew 'manly'. | M | |
| 36 | Aneira | Welsh | Feminine form of Aneurin: Uncertain origin, but may be derived from the Latin Honorius meaning man of honour, or from the Welsh eur meaning gold. | F | |
| 37 | Aneirin | Welsh | Uncertain origin, but may be derived from the Latin Honorius meaning man of honour, or from the Welsh eur meaning gold. | M | |
| 38 | Aneurin | Welsh | Uncertain origin, but may be derived from the Latin Honorius meaning man of honour, or from the Welsh eur meaning gold. | M | |
| 39 | Anfri | Welsh | Disgrace. | M | |
| 40 | Angawdd | Welsh | Legendary son of Caw. | M | |