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 | South Korea, India, Bangladesh, Japan, Indonesia |
| Soumi | Saudi Arabia, India, Bangladesh, Algeria, Indonesia |
| Sumy | Saudi Arabia, India, Bangladesh, United Arab Emirates, Indonesia |
| Суми | Russia |