Throughout the world, วัทนีย์ (วัทนีย์ 
) is a very rare female forename. The first name วัทนีย์ is habitual in South-eastern Asia, particularly Thailand, where it is a very rare feminine name. Very seldom, วัทนีย์ is the last name as well as the forename.
| VARIANT | COUNTRY |
|---|---|
| วัทนีย์ | Thailand |