Family name Hisamizu (久水 
, Hisamizu 
) , in all the world, is a very rare surname. The surname Hisamizu is characteristic of Eastern Asia, particularly China, where it is an extremely rare surname. More prevalently, Hisamizu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 久水 | China |
| Hisamizu | United States |