Family name Diapo (Diapo 
) , around the globe, is a rare last name. The cognomen Diapo is habitual in Philippines, where it is a rare surname, South Africa, where it is an extremely rare surname, and the United States. Also, Diapo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Diapo | South Africa, Spain, Philippines, United States, India |