Throughout the world, สุดาชนก (สุดาชนก 
) is a very rare epicene first name. The forename สุดาชนก is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare unisex name.
| VARIANT | COUNTRY |
|---|---|
| สุดาชนก | Thailand |
เตปา, and วิศิษฐ์ชนะชัย