Family name Alvarado-Buyser (Alvarado-Buyser 
) , in the entire world, is an extremely rare last name. The last name Alvarado-Buyser is characteristic of South-eastern Asia, particularly Philippines, where it is an extremely rare surname. Parts of the name also exists independently as a last name Alvarado, and a last name Buyser.
| VARIANT | COUNTRY |
|---|---|
| Alvarado-Buyser | Philippines |