Last name Deolo (Deolo 
) , around the globe, is a rare cognomen. The surname Deolo is habitual in the Democratic Republic of the Congo, where it is a rare surname, Argentina, where it is an extremely rare surname, and the United States. Much less frequently, Deolo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Deolo | Philippines, Argentina, Italy, India, Democratic Republic of the Congo |