Family name Diaz-Tapawan (Diaz-Tapawan 
) , globally, is an extremely rare last name. The last name Diaz-Tapawan is characteristic of Northern America, particularly the United States, where it is an extremely rare surname. Parts of the name also exists independently as a last name Diaz, and a last name Tapawan.
| VARIANT | COUNTRY |
|---|---|
| Diaz-Tapawan | United States |