Cognomen ไชเดช (Chaidet 
, ไชเดช ) , worldwide, is a rare last name. The family name ไชเดช is habitual in Thailand, where it is quite a rare surname, and Venezuela, where it is an extremely rare surname. Very seldom, ไชเดช is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Chaidet | Venezuela, Laos, United States, Thailand |
| ไชเดช | Thailand |