Aleksander Ostrowski
| Aleksander "Olek" Ostrowski | |
|---|---|
| Born | 11 January 1988 Wetlina, Poland | 
| Disappeared | 15 July 2015 Gasherbrum II | 
| Monuments | Polish Himalayan Memorial, Nepal; Tatra Symbolic Cemetery, Popradské Pleso; Olek Ostrowski Memorial Ski race | 
| Occupation(s) | Skier and mountaineer | 
| Years active | 2004–2015 | 
| Known for | First Polish ski descent from Cho Oyu, First Pole to ski Northern Face of Lenin Peak | 
Aleksander "Olek" Ostrowski (11 January 1988 – disappeared 25 July 2015) was a Polish skier and mountaineer.