Cognomen Etsuo (Etsuo 
) , all over the world, is a rare surname. The surname Etsuo is characteristic of Japan, where it is a rare surname, Hong Kong, and Cambodia, where it is a very rare surname. Not in comparison with a country's population, this name is the most popular in Eastern Asia, particularly Japan, China, and Hong Kong. Predominantly, Etsuo is the forename as well as the last name.
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