Last name นิตธา (Nittha 
, Knittha 
, นิตธา ) , around the world, is a rare surname. The surname นิตธา is characteristic of South-eastern Asia, particularly Myanmar, where it is a rare surname, Indonesia, where it is a very rare surname, and Thailand. More prevalently, นิตธา is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Nittha | India, Myanmar, Laos, Thailand, Indonesia |
| Knittha | United States, Thailand |
| นิตธา | Thailand |