Globally, Rhayner (Rhayner 
) is a rare boy's given name. The given name Rhayner is habitual in Latin America and the Caribbean, particularly Brazil, where it is a very rare masculine name. Much less frequently, Rhayner is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Rhayner | Brazil, Venezuela, Peru, United States, Philippines |
Melo, Duarte, Zillig, Useche, Moreira, Sanches, Stegmiller, Almeida, Andrade, Augusto, Barbosa, Pereira, Ribeiro, Hoepers, Freitas, Ferreira, Oliveira, Alexandre, Carminati, Rodrigues, Schweigert, Giovanelli, Rabelo, Cadete, Campos, Castro, Adto, Cruz, Gama, Lima, Silva, Sousa, Souza, Costa, Cosme, Braga, Nascimento, Brito, Rocha, Diniz, Gomes, Etzel, Medina, Santos, Sedano, Soares, Araujo, Amaral, Rossi, and Bittencourt