Ladislaus I of Poland (also Wladislaus I of Poland) may refer to:
- Władysław I Herman (c. 1040–1102), Duke of Poland
- Władysław I the Elbow-high (1261–1333), King of Poland (also known as Ladislaus the Short, or Władysław I Łokietek)
Ladislaus I of Poland (also Wladislaus I of Poland) may refer to: