| Welsh baby names begining from N |
| Naw |
 | Legendary son of Seithved. |
| Neb |
| Legendary son of Caw. |
| Neifion |
| Welsh form of Neptune 'god of the seas'. |
| Nerth |
| Legendary son of Cadam. |
| Nerthach |
| Legendary son of Gwawrddur. |
| Nerys |
 | Lord. |
| Neued |
 | Legendary daughter of KyvwIch. |
| Neued |
| Legendary father of Tringad. |
| NewIyn |
| Dwells near the new pool. |
| Newlin |
| Dwells near the new pool. |
| NewyddIlyn |
| Dwells near the new pool. |
| Ninian |
| St. Ninian was a 5th century bishop sent to Scotland to convert the Picts to Christianity. |
| Nissyen |
| Legendary son of Eurosswydd. |
| Nye |
| Diminutive of Aneurin: Uncertain origin, but may be derived from the Latin Honorius meaning man of honour, or from the Welsh eur meaning gold. |
| Nynnyaw |
| Legendary son of Beli. |
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