Cognomen ด้า (Da 
, Pra 
, ด้า) , all over the world, is a widespread last name. The cognomen ด้า is characteristic of Uruguay, where it is a common surname, Myanmar, where it is quite a common surname, and Egypt (explore the name in all countries). Measured by absolute frequency, it most frequently occurs in India, China, and Myanmar. Likewise, ด้า is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Da | Myanmar, Egypt, India, Indonesia, China |
| Pra | Myanmar, Brazil, India, Indonesia, China |