Surname เด่นชัย (Denchai 
, Pronchai , เด่นชัย) , all over the world, is a very rare last name. The family name เด่นชัย is habitual in Thailand, where it is a very rare surname, the United Kingdom, where it is an extremely rare surname, and the United States. Much more frequently, เด่นชัย is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Denchai | Thailand, United States, Malaysia, United Kingdom |
| Pronchai | Thailand, United States |
Denchay, Detbnchuai, and Dhenchai