Throughout the world, Neath-Duggan (Neath-Duggan 
) is an extremely rare unknown gender forename. Much more prevalently, Neath-Duggan is the last name as well as the forename. Parts of the name also exists independently as a last name Neath, and a last name Duggan.
| VARIANT | COUNTRY |
|---|---|
| Neath-Duggan | United Kingdom |