Surname Tosikazu (トシカズ 
, Tosikazu 
) , all around the world, is a common family name. The family name Tosikazu is habitual in Eastern Asia, particularly Japan, where it is quite a rare surname. Very seldom, Tosikazu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| トシカズ | Japan |
| Tosikazu | Japan, Brazil |