Across the world, ค่อย (Khoi 
, ค่อย) is quite a common predominantly male, but very seldom female first name. The forename ค่อย is characteristic of Vietnam, where it is quite a rare boy's name, Australia, where it is a rare male name, and New Zealand. Measured by absolute frequency, it is commonest in Vietnam, the United States, and India. Very seldom, ค่อย is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Khoi | Malaysia, Indonesia, India, Vietnam, United States |