Cognomen Naotoshi (Naotoshi 
) , in the entire world, is a rare surname. The surname Naotoshi is habitual in Japan, where it is a rare surname, China, where it is an extremely rare surname, and Mexico. More frequently, Naotoshi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Naotoshi | Japan, China, Mexico, United States, Brazil |