Globally, อ้อ (O 
, อ้อ) is a common gender-neutral given name. The forename อ้อ is habitual in Indonesia, where it is quite a rare epicene name, the United Kingdom, and Ethiopia. Not in comparison with a country's population, it most frequently occurs in Indonesia, India, and the United Kingdom. Also, อ้อ is the last name as well as the forename.
อ้อ is also a popular name for the fictitious and mythical characters: Wendy O. Koopa , the fictional character from the Mario franchise, Super Mario Maker 2; O Menino Triste ; O Analista de Bagé ; O Gralha , the Brazilian comics character and O Velho do Rio (Pantanal) , character in Pantanal, and in many other works.