Last name Sao-Ang (Sao-Ang 
) , across the world, is a very rare cognomen. The last name Sao-Ang is habitual in Philippines, where it is a very rare surname, and Canada, where it is an extremely rare surname. Parts of the name also exists independently as a first name Ang.
| VARIANT | COUNTRY |
|---|---|
| Sao-Ang | Canada, Philippines |