Family name Луизо (Luizo 
, Луизо 
) , in the entire world, is a rare surname. The cognomen Луизо is habitual in Russia, where it is a very rare surname, Israel, and Brazil, where it is an extremely rare surname. Much less frequently, Луизо is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Luizo | Brazil, Mexico, United States, India, Israel |
| Луизо | Russia |