Cognomen فيستو (Festo 
, Vesto 
, Fisto 
) , all over the world, is a common surname. The surname فيستو is characteristic of Sub-Saharan Africa, particularly Tanzania, where it is quite a common surname, Uganda, where it is quite a rare surname, and South Sudan. In absolute terms, it is the most numerous in Sub-Saharan Africa, particularly Tanzania, Uganda, and Kenya. More prevalently, فيستو is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Festo | Uganda, Angola, Kenya, Zambia, Tanzania |
| Vesto | Philippines, Finland, Italy, United States, Tanzania |
| Fisto | Indonesia, South Africa, India, Italy, United States |