Cognomen Haya-Saku (Haya-Saku 
) , all around the world, is an extremely rare family name. Predominantly, Haya-Saku is the forename as well as the last name. Parts of the name also exists independently as a first name Haya, and a first name Saku.
| VARIANT | COUNTRY |
|---|---|
| Haya-Saku | Japan |