Worldwide, คอยล์ (Khoi 
, คอยล์ 
) is quite a common predominantly male, but scarcely feminine first name. The given name คอยล์ is habitual in Vietnam, where it is quite a rare boy's name, Australia, where it is a rare male name, and New Zealand. In absolute terms, the name is most common in Vietnam, the United States, and India. Much less frequently, คอยล์ is the last name as well as the forename.