Fernandes is a patronymic surname in the Portuguese- and Spanish-speaking countries. The name is a patronymic form of the Portuguese and Spanish personal name Fernando. Fernandes is the 243rd most common surname in the world, the 3rd one in Angola and in São Tomé and Príncipe, the 10th one in Portugal, and the 18th one in Brazil. The Spanish version of this surname is Fernández.
