Surname A.-Montgat (A.-Montgat 
) , around the world, is a very rare cognomen. The surname A.-Montgat is characteristic of Southern Europe, particularly Spain, where it is a very rare surname. Parts of the name also exists independently as a last name A., and a last name Montgat.
| VARIANT | COUNTRY |
|---|---|
| A.-Montgat | Spain |
Mireia, and Veganarcea