Surname Deoy (Deoy 
) , worldwide, is a very rare last name. The cognomen Deoy is characteristic of Venezuela, where it is a very rare surname, Philippines, where it is an extremely rare surname, and the United States. Very seldom, Deoy is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Deoy | Venezuela, United States, Philippines |