Surname Neath-Duggan (Neath-Duggan 
) , throughout the world, is an extremely rare last name. The family name Neath-Duggan is habitual in Northern Europe, particularly the United Kingdom, where it is an extremely rare surname. Parts of the name also exists independently as a last name Neath, and a last name Duggan.
| VARIANT | COUNTRY |
|---|---|
| Neath-Duggan | United Kingdom |