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Around the globe, เอ้อ (Oe , Erw , เอ้อ) is quite a rare unisex forename. The first name เอ้อ is habitual in Qatar, where it is quite a rare boy's name, Indonesia, where it is a rare unisex name, and United Arab Emirates, where it is a rare boy's name. Measured by absolute frequency, it is the most numerous in Indonesia, China, and Japan. Likewise, เอ้อ is the last name as well as the forename.
เอ้อ is also a name for the fictitious and mythical characters: .