Cognomen Isaina (Isaina 
) , around the world, is a very rare last name. The surname Isaina is habitual in Latin America and the Caribbean, particularly Venezuela, where it is a very rare surname, Nicaragua, and Honduras. Not in comparison with a country's population, it most frequently occurs in Nigeria, Venezuela, and Mexico. More prevalently, Isaina is the forename as well as the last name.
Dias, Salazar, Andrade, Cercado, Batista, Becerra, Bezerra, Sanchez, Monteiro, Canteros, Diogenes, Villagra, Oliveira, Bondzandzou, Rodrigues, Carvalho, Goncalves, Vieira, Pontes, Lima, Sales, Silva, Sousa, Alves, Costa, Najera, Braga, Jesus, Zocal, Moreta, Mendes, Santos, Chaves, Pinto, and Nascimento