Last name Sumagi (Sumagi 
) , in the world, is a very rare family name. The last name Sumagi is characteristic of Malaysia, where it is a very rare surname, Philippines, where it is an extremely rare surname, and India. Much more prevalently, Sumagi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sumagi | Malaysia, Philippines, India, South Africa |