Cognomen อ้อ (O 
, อ้อ) , globally, is a widespread family name. The family name อ้อ is characteristic of Venezuela, where it is a common surname, Vanuatu, where it is quite a common surname, and Myanmar (explore the name in all countries). In absolute terms, this name is the most popular in China, Indonesia, and Venezuela. Also, อ้อ is the forename as well as the last name.