Surname Orisaku (Orisaku 
) , all around the world, is a rare cognomen. The surname Orisaku is characteristic of Eastern Asia, particularly Japan, where it is a rare surname. Much less frequently, Orisaku is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Orisaku | Japan |
| keiko komori orisaku researcher |
|