Cognomen Sadecký (Sadecký 
) , globally, is a very rare family name. The last name Sadecký is characteristic of Eastern Europe, particularly Czechia, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Sadecký | Czechia |
| františek sadecký CZ (b. 1895) |
|
|
| petr sadecký Czech publicist (1943-1991), CZ (b. 1943) |
|