Throughout the world, Uillian (Uillian 
) is quite a rare boy's forename. The first name Uillian is habitual in Latin America and the Caribbean, particularly Brazil, where it is a rare boy's name.
| VARIANT | COUNTRY |
|---|---|
| Uillian | Mexico, Brazil, United States |
| uillian correia granemann Brazilian association football player, BR (b. 1989) |
|
Melo, Vieira, Franco, Martins, Machado, Moreira, Santana, Almeida, Andrade, Cardoso, Barbosa, Pereira, Ribeiro, Tavares, Freitas, Monteiro, Carvalho, Ferreira, Oliveira, Conceicao, Rodrigues, Goncalves, Vargas, Barros, Araujo, Soares, Cruz, Reis, Dias, Lima, Matos, Moura, Sales, Silva, Sousa, Souza, Fernandes, Alves, Braga, Brito, Pinto, Rocha, Gomes, Lopes, Jesus, Nunes, Moraes, Santos, Costa, and Nascimento