Family name Саго (Sagu 
, Sago , Sagot 
) , in the world, is a common cognomen. The surname Саго is habitual in Costa Rica, where it is quite a rare surname, France, and Luxembourg. Measured by absolute frequency, it is the most numerous in France, Philippines, and India. Likewise, Саго is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sagu, Sago | Philippines, India, France, Indonesia, United States |
| Sagot | Philippines, India, France, United States, Costa Rica |
| Саго | Kazakhstan, Russia |