Family name สุทิ (Suthi 
, สุทิ ) , globally, is a rare cognomen. The cognomen สุทิ is characteristic of Thailand, where it is a rare surname, Saudi Arabia, and the United Kingdom, where it is a very rare surname. In absolute terms, it most frequently occurs in India, Thailand, and the United Kingdom. Likewise, สุทิ is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Suthi | United Kingdom, Myanmar, Thailand, India, Indonesia |
| สุทิ | Thailand |