Surname สมเสนาะธนชัย (สมเสนาะธนชัย 
) , in the world, is an extremely rare cognomen. The family name สมเสนาะธนชัย is habitual in South-eastern Asia, particularly Thailand, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| สมเสนาะธนชัย | Thailand |