Family name Sutsui (Sutsui 
) , worldwide, is a very rare surname. The family name Sutsui is habitual in Thailand, where it is a very rare surname, China, where it is an extremely rare surname, and Mexico. Likewise, Sutsui is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sutsui | Mexico, China, Thailand |