Piotr Pustelnik (born July 12, 1951 in Łódź, Poland) is a Polish alpine and high-altitude climber. He is the 20th man to climb all fourteen eight-thousanders.
| Date | Mountain | Notes |
|---|---|---|
| July 19, 1990 | Gasherbrum II | |
| July 12, 1992 | Nanga Parbat | |
| September 24, 1993 | Cho Oyu | |
| October 6, 1993 | Shishapangma | |
| September 26, 1994 | Dhaulagiri | |
| May 12, 1995 | Mount Everest | ascent with oxygen |
| July 14, 1996 | K2 | ascent with oxygen |
| July 15, 1997 | Gasherbrum I | |
| May 15, 2000 | Lhotse | |
| May 15, 2001 | Kangchenjunga | ascent with oxygen |
| May 16, 2002 | Makalu | ascent with oxygen |
| May 17, 2003 | Manaslu | oxygen used during sleep |
| July 8, 2006 | Broad Peak | |
| April 27, 2010 | Annapurna | ascent with oxygen |