Cognomen วาสิทธิ์ (Wasit 
, วาสิทธิ์ ) , globally, is quite a rare last name. The cognomen วาสิทธิ์ is habitual in United Arab Emirates, where it is a rare surname, Bangladesh, and Philippines. Not in comparison with a country's population, the name is most common in Bangladesh, Philippines, and Indonesia. Also, วาสิทธิ์ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Wasit | Bangladesh, Philippines, Thailand, Pakistan, Indonesia |
| วาสิทธิ์ | Thailand |