Family name Oldemar (Oldemar 
) , in the world, is a rare last name. The surname Oldemar is characteristic of Nicaragua, where it is quite a rare surname, Honduras, where it is a rare surname, and Sweden. Measured by absolute frequency, this name is the most popular in Latin America and the Caribbean, particularly Nicaragua, Honduras, and Mexico. Much more frequently, Oldemar is the forename as well as the last name.
Mora, Martins, Machado, Sanchez, Almeida, Andrade, Pereira, Ramirez, Ribeiro, Jimenez, Freitas, Fonseca, Quesada, Carvalho, Gonzalez, Teixeira, Ferreira, Oliveira, Rodriguez, Rodrigues, Guimaraes, Hernandez, Vieira, Vargas, Junior, Garcia, Cruz, Rosa, Diaz, Dias, Lima, Neto, Silva, Souza, Arias, Costa, Fernandez, Cunha, Ramos, Rocha, Rojas, Nunes, Filho, Santos, Araujo, Chaves, Castro, Campos, Perez, and Fernandes