Surname Rittidet (ฤทธิเดช 
, Rittidet ) , all over the world, is quite a rare cognomen. The family name Rittidet is habitual in South-eastern Asia, particularly Thailand, where it is quite a rare surname. Also, Rittidet is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ฤทธิเดช, Rittidet | Thailand |
| jamras rittidet Thai hurdler, TH (b. 1989) |
|