Last name Туо (Туо 
) , globally, is a very rare cognomen. The surname Туо is habitual in Kyrgyzstan, where it is a very rare surname, and Russia, where it is an extremely rare surname. Also, Туо is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Туо | Kyrgyzstan, Kazakhstan, Russia |