Surname Markchu (Markchu 
) , in the entire world, is a very rare family name. The last name Markchu is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Markchu | Thailand |
Sarankorn, Chalawsak, Kittiphan, Phongphan, and Rattanapon