Family name อ่าง (Ang 
, Tubby 
, Tubb ) , worldwide, is a widespread cognomen. The surname อ่าง is characteristic of South-eastern Asia, particularly Singapore, where it is a widespread surname, Brunei, where it is a common surname, and Malaysia (explore the name in all countries). Measured by absolute frequency, it is commonest in South-eastern Asia, particularly Malaysia, Singapore, and Indonesia. Likewise, อ่าง is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ang | Indonesia, Philippines, China, Singapore, Malaysia |
| Tubby | Myanmar, United Kingdom, Canada, Australia, United States |
| Tubb | Philippines, United Kingdom, Canada, Australia, United States |
Aang, Tubsee, Tubsrinual, and អាង