Cognomen Onkumleung (Onkumleung 
) , globally, is a very rare last name. The family name Onkumleung is habitual in South-eastern Asia, particularly Thailand, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Onkumleung | Thailand |
Chawee, Yuttana, Kittipong, Wisanuporn, and Wisanupoin