Worldwide, สิง (Sing 
, สิง 
) is a common mostly masculine, but uncommonly feminine first name. The first name สิง is habitual in Hong Kong, where it is quite a common principally masculine, but very infrequently feminine name, Macao, where it is quite a common epicene name, and Qatar, where it is quite a rare male name. Not in comparison with a country's population, it most frequently occurs in India, Hong Kong, and Indonesia. Predominantly, สิง is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Sing | India, Saudi Arabia, Bangladesh, Malaysia, Indonesia |
| สิง | Thailand |
สิง is also a name for the fictitious and mythical characters: Sing Hi , the musical character in the musical San Toy; President of the Board of Ceremonies.