Cognomen Delloro (Delloro 
) , throughout the world, is quite a rare family name. The surname Delloro is characteristic of Philippines, where it is quite a rare surname, United Arab Emirates, where it is a rare surname, and Italy. Measured by absolute frequency, it is the most numerous in Philippines, Italy, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Delloro | Italy, Saudi Arabia, Philippines, United States, United Arab Emirates |