In the entire world, Seui-Matagi (Seui-Matagi 
) is an extremely rare unknown gender given name. Much more frequently, Seui-Matagi is the last name as well as the forename. Parts of the name also exists independently as a last name Seui, and a first name Matagi.
| VARIANT | COUNTRY |
|---|---|
| Seui-Matagi | United States |