Worldwide, Rattanakay (Rattanakay 
) is an extremely rare unknown gender first name. Much more frequently, Rattanakay is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| Rattanakay | Thailand |
La Or, Sakchai, Sirirat, Kannika, Pongwat, Thichakorn, Saengthong, and Napatsanan