Last name Damcha (Damcha 
) , all around the world, is a very rare cognomen. The family name Damcha is characteristic of New Zealand, where it is a very rare surname, Indonesia, and Malaysia, where it is an extremely rare surname. More prevalently, Damcha is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Damcha | Indonesia, Democratic Republic of the Congo, Malaysia, India, New Zealand |