Surname Sadamoto (Sadamoto 
) , worldwide, is a very rare last name. The surname Sadamoto is characteristic of Malaysia, where it is a very rare surname, Australia, and the United States, where it is an extremely rare surname. More frequently, Sadamoto is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sadamoto | Japan, Australia, China, Malaysia, United States |