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In all the world, 蔡恩 (Zein , Zion , 蔡恩 ) is a common unisex given name. The given name 蔡恩 is characteristic of Western Asia, particularly Lebanon, where it is quite a common predominantly masculine, but scarcely feminine name, Israel, where it is quite a common female name, and Syria, where it is quite a common largely male, but infrequently girly name. Not in comparison with a country's population, it is the most numerous in Indonesia, Syria, and Egypt. Likewise, 蔡恩 is the last name as well as the forename.
蔡恩 is also a name for the fictitious and mythical characters: .