Cognomen Chankoo (Chankoo 
) , all over the world, is a very rare surname. The family name Chankoo is habitual in Thailand, where it is a very rare surname, Mexico, where it is an extremely rare surname, and China. More prevalently, Chankoo is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Chankoo | South Korea, Mexico, India, Thailand, China |