| Vladislaus I | |
|---|---|
 | |
| Duke of Bohemia | |
| Reign | 1109 – 1117 |
| Predecessor | Svatopluk |
| Successor | Bořivoj II |
| Duke of Bohemia | |
| Reign | 1120 – 1125 |
| Predecessor | Bořivoj II |
| Successor | Sobeslav I |
| Born | c. 1065 |
| Died | 12 April 1125 (aged 59–60) |
| Spouse | Richeza of Berg |
| Issue among others... | Vladislav II of Bohemia Děpold I of Jamnitz |
| House | Přemyslid dynasty |
| Father | Vratislaus II of Bohemia |
| Mother | Świętosława of Poland |
Vladislaus I (Czech: Vladislav I.; c. 1065 – 12 April 1125) was Duke of Bohemia from 1109 to 1117 and from 1120 until his death.