Across the world, Arnestina (Arnestina 
) is a rare female forename. The first name Arnestina is characteristic of Brazil, where it is a very rare girly name, and India, where it is an extremely rare feminine name. Very seldom, Arnestina is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Arnestina | South Africa, India, Argentina, Brazil, Venezuela |
Ost, Tomaz, Muller, Santos, Soares, Araujo, Borges, Duarte, Torres, Almeida, Andrade, Cardozo, Pereira, Delgado, Thongni, Carvalho, Batschauer, Teixeira, Ferreira, Oliveira, Conceicao, Rodrigues, Jesus, Lopes, Lemos, Righe, Maia, Melo, Sena, Cruz, Balz, Kopp, Puhl, Renk, Lima, Mržljak, Goncalves, Silva, Alves, Anjos, Abreu, Costa, Bassi, Bessa, Bueno, Pinto, Pioim, Rocha, Souza, and Nascimento