Across the world, Niceu (Niceu 
) is a rare masculine forename. The forename Niceu is characteristic of Latin America and the Caribbean, particularly Brazil, where it is a very rare male name.
| VARIANT | COUNTRY |
|---|---|
| Niceu | Brazil, United States, Myanmar |
Mota, Mendes, Santos, Alegre, Aragao, Caldas, Cinzah, Biriba, Kitcky, Galvao, Junior, Franco, Franca, Martins, Menezes, Santana, Schmitz, Almeida, Andrade, Batista, Roseira, Scudeler, Ygura, Filho, Faria, Nunes, Melo, Cruz, Rosa, Goes, Gois, Lima, Neto, Vale, Matos, Moura, Ferreira, Silva, Alves, Couto, Costa, Cunha, Paula, Gomes, Leite, Lopes, Jesus, Neiva, Souza, and Oliveira