Family name ليوناردو (Leonardo 
, Leonardus 
, Leonardas 
) , in the entire world, is a widespread cognomen. The family name ليوناردو is habitual in Mexico, where it is a common surname, San Marino, and Nicaragua, where it is quite a common surname (explore the name in all countries). Not in comparison with a country's population, the name is most common in Mexico, Argentina, and Indonesia. More prevalently, ليوناردو is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Leonardo | Italy, Philippines, Mexico, Argentina, Brazil |
| Leonardus | Indonesia, Italy, Philippines, Mexico, Brazil |
| Leonardas | Lithuania, United Kingdom, Philippines, United States, Brazil |
| ليوناردو | Saudi Arabia, Sudan, Morocco, Egypt, Iraq |