Surname Roslaine (Roslaine 
) , in all the world, is an extremely rare last name. The cognomen Roslaine is habitual in Latin America and the Caribbean, particularly Brazil, where it is an extremely rare surname. Predominantly, Roslaine is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Roslaine | Democratic Republic of the Congo, Philippines, United States, Brazil, Venezuela |
Pan, Butzen, Renner, Landin, Ladwig, Martins, Machado, Moreira, Santana, Camargo, Barbosa, Pereira, Rosario, Ribeiro, Gouveia, Silveira, Coutinho, Ferreira, Oliveira, Stallbaum, Conceicao, Rodrigues, Bordin, Cunico, Coelho, Correa, Batu, Rosa, Datu, Lima, Modro, Silva, Souza, Alves, Costa, Paula, Fernandes, Pinto, Rocha, Gomes, Nunho, Ferri, Mattos, Miguel, Santos, Soares, Araujo, Castro, Rossi, and Fontenelle