Last name Kaior (Kaior 
) , globally, is a rare cognomen. The surname Kaior is habitual in Nigeria, where it is a rare surname, Canada, where it is a very rare surname, and India, where it is an extremely rare surname. Also, Kaior is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kaior | India, Brazil, Nigeria, Canada |