Surname Cireneu (Cireneu 
) , in the entire world, is an extremely rare last name. The cognomen Cireneu is habitual in Venezuela, where it is an extremely rare surname, Brazil, and the United States. Much more prevalently, Cireneu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Cireneu | Venezuela, United States, Brazil, South Africa |
May, Mãozinha, Santos, Stiipp, Araujo, Castro, Coelho, Bastos, Borges, Rohden, Rempel, Diorio, Junior, Scabelo, Pereira, Ribeiro, Leonardo, Oliveira, Schimpchak, Rodrigues, Guglielmi, Andreghetto, Magnus, Maciel, Velho, Jesus, Maia, Melo, Cruz, Kuhn, Rosa, Reis, Lima, Lion, Moura, Silva, Verginassi, Sousa, Alves, Costa, Bande, Borsa, Bosse, Pelin, Rocha, Deves, Liebl, Lopes, Souza, and Rosemberger