Surname Yankomut (Yankomut 
) , all over the world, is a very rare last name. The cognomen Yankomut is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Yankomut | Thailand |
Sampan, Pramarn, Wissuta, Yannapoj, and Vatcharapon