Cognomen ประทาน (ประทาน 
, Prathan 
, Pratharn ) , throughout the world, is quite a rare surname. The surname ประทาน is habitual in Thailand, where it is quite a rare surname, Sweden, where it is a rare surname, and Myanmar, where it is a very rare surname. Measured by absolute frequency, it most frequently occurs in Thailand, India, and Myanmar. Likewise, ประทาน is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| ประทาน | Thailand |
| Prathan | Myanmar, Thailand, Sweden, United States, India |
| Pratharn | United States, Thailand, India |
| Pratarn | Thailand, United States |