Family name Neff-Gallon (Neff-Gallon 
) , around the world, is an extremely rare surname. The last name Neff-Gallon is characteristic of Northern America, particularly the United States, where it is an extremely rare surname. Parts of the name also exists independently as a last name Neff, and a last name Gallon.
| VARIANT | COUNTRY |
|---|---|
| Neff-Gallon | United States |