Cognomen Otacilia (Otacilia 
) , all around the world, is a very rare family name. The family name Otacilia is habitual in Latin America and the Caribbean, particularly Brazil, where it is an extremely rare surname, Venezuela, and Mexico. Much more prevalently, Otacilia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Otacilia | Brazil, Mexico, Venezuela, United States, Argentina |
Melo, Farias, Martins, Machado, Moreira, Miranda, Santana, Almeida, Andrade, Cardoso, Barbosa, Batista, Pereira, Ribeiro, Freitas, Carvalho, Teixeira, Ferreira, Oliveira, Conceicao, Rodrigues, Goncalves, Vieira, Barros, Castro, Araujo, Cruz, Rosa, Reis, Dias, Lima, Matos, Moura, Silva, Sousa, Souza, Fernandes, Alves, Cunha, Brito, Pinto, Rocha, Gomes, Lopes, Jesus, Moraes, Santos, Soares, Costa, and Nascimento