Last name สุจ (Sut 
, สุจ 
) , all around the world, is a common surname. The last name สุจ is habitual in Myanmar, where it is quite a rare surname, Guatemala, and Macao. Not in comparison with a country's population, this name is the most popular in Myanmar, India, and Guatemala. Also, สุจ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sut | Myanmar, Poland, India, Indonesia, Guatemala |
| สุจ | Thailand |