Cognomen Allyso (Allyso 
) , in all the world, is an extremely rare family name. The surname Allyso is habitual in Latin America and the Caribbean, particularly Honduras, where it is a very rare surname. More frequently, Allyso is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Allyso | Honduras, Nicaragua, United States |