Surname Wataru-Shi (Wataru-Shi 
) , in the world, is a rare family name. The cognomen Wataru-Shi is characteristic of Eastern Asia, particularly Japan, where it is a rare surname. Much more prevalently, Wataru-Shi is the forename as well as the last name. Parts of the name also exists independently as a first name Wataru, and a last name Shi.
| VARIANT | COUNTRY |
|---|---|
| Wataru-Shi | Japan |