Around the world, Nircio (Nircio 
) is a very rare masculine given name. The forename Nircio is characteristic of Latin America and the Caribbean, particularly Brazil, where it is a very rare boy's name. Very seldom, Nircio is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Nircio | Mexico, Canada, Brazil, Venezuela |
Sa, Vieira, Mariano, Martins, Machado, Mequita, Almeida, Andrade, Antonio, Arantes, Azevedo, Barbosa, Pereira, Ribeiro, Firmino, Onofrio, Mesquita, Silveira, Simonato, Cordeiro, Lourenco, Ferreira, Junior, Lisboa, Galvao, Garcia, Fe, Cruz, Reis, Maria, Moura, Silva, Sousa, Souza, Abreu, Brito, Oliveira, Paula, Rocha, Gomes, Lopes, Tasso, Thome, Filho, Mendes, Santos, Soares, Stefan, Perez, and Nascimento