Last name สิง (Sing 
, สิง 
) , worldwide, is a prevalent surname. The family name สิง is habitual in Malaysia, where it is a common surname, British Virgin Islands, where it is quite a common surname, and India (explore the name in all countries). In absolute terms, it is the most numerous in India, Malaysia, and Saudi Arabia. Very seldom, สิง is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sing | India, Saudi Arabia, Bangladesh, Malaysia, Indonesia |
| สิง | Thailand |