Surname Agusia (Agusia 
) , in all the world, is a rare last name. The last name Agusia is habitual in Poland, where it is a rare surname, Indonesia, where it is a very rare surname, and Philippines, where it is an extremely rare surname. Also, Agusia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Agusia | Indonesia, Philippines, United Kingdom, Poland, Germany |