Surname Чигадаев (Чигадаев 
) , globally, is a very rare last name. The cognomen Чигадаев is characteristic of Kazakhstan, where it is a very rare surname, and Russia.
| VARIANT | COUNTRY |
|---|---|
| Чигадаев | Kazakhstan, Russia |
| чигадаев,_пётр_васильевич KZ (b. 1923) |
|