Surname Dithi (Dithi 
, ดิถี 
) , worldwide, is a rare last name. The surname Dithi is habitual in Bangladesh, where it is a very rare surname, Thailand, and South Africa, where it is an extremely rare surname. Not in comparison with a country's population, it most frequently occurs in Bangladesh, Thailand, and India. More prevalently, Dithi is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Dithi | Bangladesh, United States, India, South Africa |
| ดิถี | Thailand |