Surname Hyacienth (Hyacienth 
) , in the entire world, is a rare last name. The last name Hyacienth is habitual in Nigeria, where it is a rare surname, Canada, where it is a very rare surname, and the United Kingdom, where it is an extremely rare surname. Measured by absolute frequency, the name is most common in Nigeria, Brazil, and the United Kingdom. Likewise, Hyacienth is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Hyacienth | Philippines, United Kingdom, Canada, Brazil, Nigeria |