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, Brazil, Mexico, Philippines, Argentina |
| Leonardus | Italy, Brazil, Mexico, Indonesia, Philippines |
| Leonardas | United Kingdom, Brazil, United States, Philippines, Lithuania |
| ليوناردو | Morocco, Saudi Arabia, Egypt, Sudan, Iraq |