Last name Nishiaki (Nishiaki 
) , globally, is quite a rare cognomen. The family name Nishiaki is characteristic of Eastern Asia, particularly Japan, where it is quite a rare surname. Much less frequently, Nishiaki is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Nishiaki | Japan, Chile, Brazil, United States |
| yoshihiro nishiaki archaeologist (b. 1961) |
|