Last name Гуыва (Guyva 
, Гуыва 
) , worldwide, is a very rare surname. The family name Гуыва is characteristic of Eastern Europe, particularly Russia, where it is an extremely rare surname. Predominantly, Гуыва is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Guyva | United States, Democratic Republic of the Congo |
| Гуыва | Russia |