Worldwide, Osvar (Osvar 
) is a rare male forename. The first name Osvar is habitual in the Democratic Republic of the Congo, where it is a rare boy's name, Peru, where it is a very rare male name, and Argentina. Much less frequently, Osvar is the last name as well as the forename.
Cruz, Marquez, Morales, Munguia, Soprano, Alvarez, Batista, Riveros, Ribeiro, García, Zugman, Giadans, Taveras, Monsalve, Famorcan, Orellana, Alvarenga, Ambrosoni, Cavenaghi, Rodriguez, Gutierrez, Jimenez, Zapata, Flores, Varela, Diaz, Vega, Silva, Bello, Pardo, Porto, Rosas, Rocha, Gomez, Filho, Moraes, Santos, Chaves, Castro, Campos, Plazas, Romero, Denisa, Duarte, Gamboa, Nganga, Eustaquio, and Hernandez