Around the globe, Onisia (Onisia 
, Онисья 
) is a rare female forename. The forename Onisia is characteristic of Brazil, where it is a rare feminine name, Ukraine, where it is a very rare girly name, and Russia, where it is an extremely rare feminine name. Very seldom, Onisia is the last name as well as the forename.
Melo, Marques, Machado, Moreira, Almeida, Andrade, Azevedo, Cardoso, Pereira, Resende, Ribeiro, Estevao, Ventura, Freitas, Mitchell, Caniceiro, Pinheiro, Teixeira, Ferreira, Oliveira, Magalhaes, Guimaraes, Povoas, Passos, Bryant, Borges, Rosa, Reis, Dias, Lima, Wink, Silva, Sousa, Souza, Alves, Costa, Goncalves, Cunha, Ramos, Gomes, Jesus, Nunes, Faria, Martin, Santos, Soares, Campos, Barros, Brown, and Fernandes