Surname Muneyasu (Muneyasu 
, Огасавара 
) , in all the world, is quite a rare family name. The surname Muneyasu is characteristic of Japan, where it is quite a rare surname, and the United States, where it is an extremely rare surname. Likewise, Muneyasu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Muneyasu | Japan, China, United States, India, Brazil |
| Огасавара | Russia |
| hōjō muneyasu samurai of the late-Kamakura period (b. 1250) |
|