Cognomen กันชา (Kanchha 
, Gancha 
, กันชา 
) , around the globe, is quite a rare last name. The cognomen กันชา is habitual in Qatar, where it is quite a common surname, Saudi Arabia, where it is quite a rare surname, and Nepal. Likewise, กันชา is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kanchha | Saudi Arabia, Nepal, India, Qatar, United Arab Emirates |
| Gancha | United States, Pakistan, China, India |
| กันชา | Thailand |