Last name ธรรมอำนวยสุข (ธรรมอำนวยสุข, Thumumnuaysook 
) , in the world, is an extremely rare cognomen. The cognomen ธรรมอำนวยสุข is characteristic of South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Thumumnuaysook | Thailand |