Surname สูตร (Sut 
, สูตร 
) , throughout the world, is a common cognomen. The last name สูตร is characteristic of Myanmar, where it is quite a rare surname, Guatemala, and Macao. In absolute terms, this name is the most popular in Myanmar, India, and Guatemala. Likewise, สูตร is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sut | Guatemala, Indonesia, India, Myanmar, Poland |
| สูตร | Thailand |