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Last name Еффа (Effa , Еффа ) , in the world, is quite a common surname. The surname Еффа is characteristic of Sub-Saharan Africa, particularly Cameroon, where it is quite a common surname, Gabon, and Ghana, where it is a rare surname. Not in comparison with a country's population, this name is the most popular in Cameroon, Nigeria, and India. Also, Еффа is the forename as well as the last name.