Surname สิ่ง (Sing 
, Thingan 
, สิ่ง) , in all the world, is a prevalent family name. The cognomen สิ่ง 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). Not in comparison with a country's population, it is commonest in India, Malaysia, and Saudi Arabia. Very seldom, สิ่ง is the forename as well as the last name.