Surname Lyonardo (Lyonardo 
) , in the world, is an extremely rare cognomen. The last name Lyonardo is habitual in Latin America and the Caribbean, particularly Brazil, where it is an extremely rare surname. Much more frequently, Lyonardo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Lyonardo | Morocco, Brazil, United States |