Surname Soulto (Султо 
, Soulto 
) , around the globe, is a very rare cognomen. The last name Soulto is habitual in Kyrgyzstan, where it is a rare surname, and Brazil, where it is an extremely rare surname. More prevalently, Soulto is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Султо | Russia, Kyrgyzstan, Kazakhstan |
| Soulto | Brazil |