Cognomen Khaena (Khaena 
) , around the globe, is a rare surname. The last name Khaena is habitual in Thailand, where it is a very rare surname, and India, where it is an extremely rare surname. Much less frequently, Khaena is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Khaena | Brazil, India, Philippines, Thailand |