Cognomen Reillo (Reillo 
) , in all the world, is a rare surname. The family name Reillo is habitual in Puerto Rico, where it is quite a rare surname, Bolivia, where it is a rare surname, and Philippines. In absolute terms, it is commonest in Philippines, the United States, and Spain. Much less frequently, Reillo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Reillo | Bolivia, Philippines, Spain, United States, Puerto Rico |
| josé manuel cañas reillo Spanish painter, ES (b. 1967) |
|
|
| isabel reillo researcher |
|