Last name โค้ง (Arch 
, Khong 
, Arched 
) , all over the world, is a common surname. The family name โค้ง is habitual in Malaysia, where it is quite a common surname, Singapore, and Macao, where it is quite a rare surname. Measured by absolute frequency, it is commonest in Malaysia, Indonesia, and the United States. Also, โค้ง is the forename as well as the last name.