Surname Shchadey (Щадей 
, Shchadey 
) , all over the world, is a rare family name. The cognomen Shchadey is characteristic of Eastern Europe, particularly Ukraine, where it is a rare surname, Hungary, and Czechia. In absolute terms, it is commonest in Eastern Europe, particularly Ukraine, Russia, and Hungary.
| VARIANT | COUNTRY |
|---|---|
| Щадей | Russia, Ukraine, Kazakhstan |
| Shchadey | Hungary, Czechia |