Cognomen Saupo (Saupo 
) , worldwide, is a very rare surname. The surname Saupo is habitual in New Zealand, where it is a very rare surname, Australia, and Philippines. Measured by absolute frequency, it most frequently occurs in Philippines, the United States, and Australia.
| VARIANT | COUNTRY |
|---|---|
| Saupo | Australia, Philippines, United States, India, New Zealand |