Cognomen Ratnajothi (Ratnajothi 
) , worldwide, is an extremely rare last name. The surname Ratnajothi is habitual in Northern America, particularly Canada, where it is a very rare surname. More frequently, Ratnajothi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Ratnajothi | India, Malaysia, Canada |