Globally, Nilvan (Nilvan 
) is quite a rare male first name. The given name Nilvan is characteristic of Brazil, where it is quite a rare male name, and India, where it is an extremely rare unisex name. Much less frequently, Nilvan is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Nilvan | Brazil, United States, Thailand, Romania, India |
Mota, Borges, Junior, Vieira, Miranda, Santana, Almeida, Andrade, Azevedo, Cardoso, Barbosa, Bezerra, Pereira, Ribeiro, Freitas, Monteiro, Medeiros, Carvalho, Ferreira, Oliveira, Conceicao, Rodrigues, Barros, Coelho, Araujo, Soares, Melo, Cruz, Reis, Dias, Gois, Lima, Matos, Moura, Silva, Sousa, Goncalves, Souza, Costa, Brito, Ramos, Rocha, Gomes, Lopes, Jesus, Nunes, Filho, Santos, Alves, and Nascimento