Cognomen Picua (Picua 
) , around the world, is a very rare surname. The cognomen Picua is habitual in Latin America and the Caribbean, particularly Brazil, where it is a very rare surname, Venezuela, where it is an extremely rare surname, and Mexico. In absolute terms, this name is the most popular in Brazil, China, and Mexico. Very seldom, Picua is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Picua | Mexico, Brazil, China, Venezuela, Spain |