Surname Tonari (Tonari 
) , worldwide, is quite a rare family name. The last name Tonari is characteristic of Japan, where it is quite a rare surname, Malaysia, where it is a very rare surname, and Indonesia. More prevalently, Tonari is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Tonari | Japan, China, Indonesia, Malaysia, India |