Surname Изо (Izo 
, Yzo 
, Изо 
) , around the world, is quite a rare cognomen. The surname Изо is habitual in Georgia, where it is quite a common surname, Albania, where it is quite a rare surname, and Slovakia. Measured by absolute frequency, it is commonest in Georgia, Brazil, and Uganda. More prevalently, Изо is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Izo | Japan, Georgia, Kenya, Bosnia and Herzegovina, Brazil |
| Yzo | United States, Greece, Myanmar, Brazil, Albania |
| Изо | Kyrgyzstan, Kazakhstan, Russia |