Surname Суми (Sumi 
, Soumi 
, Sumy 
) , globally, is a common cognomen. The last name Суми is characteristic of Bangladesh, where it is quite a common surname, Oman, and Qatar, where it is quite a rare surname. Not in comparison with a country's population, it is commonest in Bangladesh, India, and Indonesia. More prevalently, Суми is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sumi | Indonesia, Japan, India, Bangladesh, South Korea |
| Soumi | Indonesia, Algeria, India, Bangladesh, Saudi Arabia |
| Sumy | Indonesia, United Arab Emirates, India, Bangladesh, Saudi Arabia |
| Суми | Russia |