Cognomen Шаидо (Shaido 
, Шаидо , Shaydo 
) , all around the world, is a very rare family name. The last name Шаидо is habitual in Eastern Europe, particularly Belarus, where it is a very rare surname, Russia, where it is an extremely rare surname, and Ukraine. In absolute terms, it is commonest in Belarus, Russia, and Nigeria. More prevalently, Шаидо is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Shaido | Russia, Belarus, Nigeria, Tanzania, India |
| Шаидо | Russia |
| Shaydo | India, United States, Malaysia |