Family name วันทิ (Wanthi 
, วันทิ ) , around the globe, is a very rare surname. The family name วันทิ is characteristic of Thailand, where it is a very rare surname, India, where it is an extremely rare surname, and the United States. Very seldom, วันทิ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Wanthi | South Africa, India, United States, Thailand |
| วันทิ | Thailand |