Surname Damchu (Damchu 
) , all over the world, is a very rare last name. The family name Damchu is habitual in Thailand, where it is a very rare surname, and India, where it is an extremely rare surname. Also, Damchu is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Damchu | Bhutan, India, United States, Thailand |