Around the world, ทศนีย์ (ทศนีย์ 
) is a very rare dominantly feminine, but uncommonly masculine first name. The first name ทศนีย์ is characteristic of South-eastern Asia, particularly Thailand, where it is a very rare mostly girly, but infrequently masculine name.
| VARIANT | COUNTRY |
|---|---|
| ทศนีย์ | Thailand |