Erb of Gwent
| Erb Urbanus | |
|---|---|
| King of Gwent and Glywysing | |
| Reign | ? – c. 555 |
| Predecessor | Erbig |
| Successor | Nynnio |
| Issue | Peibio Clafrog, Nynnio |
| Father | Erbig |
King Erb (also, in Latin, Urbanus) (c.524 – c.555) was the king of Gwent and Glywysing, kingdoms in the south of Wales in the Early Middle Ages.