Cognomen Lercia (Lercia 
) , in all the world, is an extremely rare family name. The last name Lercia is habitual in Latin America and the Caribbean, particularly Honduras, where it is a very rare surname, Venezuela, where it is an extremely rare surname, and Brazil. Much more frequently, Lercia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Lercia | Democratic Republic of the Congo, South Africa, Brazil, France, United States |