| Frederick | |
|---|---|
 Seal of Duke Frederick | |
| Duke of Bohemia | |
| Reign | 1172 – 1173 |
| Predecessor | Vladislav II |
| Successor | Soběslav II |
| Duke of Bohemia | |
| Reign | 1178 – 25 March 1189 |
| Predecessor | Soběslav II |
| Successor | Conrad II |
| Born | c. 1142 |
| Died | 25 March 1189 (aged 46–47) |
| Spouse | Elizabeth of Hungary |
| Issue | Ludmilla of Bohemia |
| House | Přemyslid dynasty |
| Father | Vladislav II of Bohemia |
| Mother | Gertrude of Babenberg |
Frederick (Czech: Bedřich) (c. 1142 – 25 March 1189), a member of the Přemyslid dynasty, was Duke of Bohemia from 1172 to 1173 and again from 1178 to his death.