Cognomen สุวัฒโน (Suwatno 
, สุวัฒโน , Suwatano 
) , in all the world, is a rare surname. The last name สุวัฒโน is habitual in South-eastern Asia, particularly Thailand, where it is a rare surname, Indonesia, and Malaysia, where it is a very rare surname. Very seldom, สุวัฒโน is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Suwatno | Malaysia, Thailand, Indonesia |
| สุวัฒโน | Thailand |
| Suwatano | United States, Thailand |