In the entire world, ข่อย (Khoi 
, ข่อย) is quite a common primarily boy's, but very infrequently feminine first name. The given name ข่อย is characteristic of Vietnam, where it is quite a rare male name, Australia, where it is a rare boy's name, and New Zealand. Measured by absolute frequency, it is the most numerous in Vietnam, the United States, and India. Much less frequently, ข่อย is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Khoi | Vietnam, United States, India, Indonesia, Malaysia |