Cognomen เชช (Chet 
, เชช 
) , all around the world, is quite a common last name. The family name เชช is characteristic of Guatemala, where it is quite a common surname, Malaysia, where it is quite a rare surname, and Taiwan. Measured by absolute frequency, it is the most numerous in India, Malaysia, and Guatemala. More prevalently, เชช is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Chet | Guatemala, Malaysia, India, United States, Nepal |
| เชช | Thailand |