Cognomen Pagsisihan-Santos (Pagsisihan-Santos 
) , around the world, is an extremely rare last name. The surname Pagsisihan-Santos is habitual in Northern Europe, particularly the United Kingdom, where it is an extremely rare surname. Parts of the name also exists independently as a last name Pagsisihan, and a last name Santos.
| VARIANT | COUNTRY |
|---|---|
| Pagsisihan-Santos | United Kingdom |