Cognomen Satomu (Satomu 
) , in the world, is an extremely rare surname. The surname Satomu is habitual in South-eastern Asia, particularly Malaysia, where it is a very rare surname. More prevalently, Satomu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Satomu | Brazil, Malaysia, United States, Japan |