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Cognomen Tachibana (タチバナ , 橘 , Tachibana ) , in the world, is a common last name. The surname Tachibana is characteristic of Paraguay, where it is quite a rare surname, China, and Hong Kong, where it is a rare surname. Measured by absolute frequency, this name is the most popular in China, Japan, and Indonesia. Likewise, Tachibana is the forename as well as the last name.