Surname Yvaylo (Yvaylo 
, Иваыло 
) , in the world, is an extremely rare last name. The surname Yvaylo is habitual in Southern Europe, particularly Spain, where it is a very rare surname. More frequently, Yvaylo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Yvaylo | France, Greece, Spain, Bulgaria |
| Иваыло | Russia |