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Throughout the world, อ่อน (On , Mild , Milds ) is a common gender-neutral forename. The given name อ่อน is characteristic of Hong Kong, where it is quite a common mostly masculine, but infrequently girly name, Israel, where it is quite a common principally male, but scarcely female name, and Macao, where it is quite a common boy's name. Not in comparison with a country's population, it most frequently occurs in Hong Kong, Egypt, and Israel. Likewise, อ่อน is the last name as well as the forename.
อ่อน is also a name for the fictitious and mythical characters: Liu An , the fictional person from Romance of the Three Kingdoms; On , the human biblical character, Book of Numbers and On Shore , the musical character in the musical Titanic by Maury Yeston.