| Pirx | |
| Coordinates: | 55.2°N 256.18°W |
| Location: | Oz Terra, Charon |
| Discoverer: | New Horizons |
| Eponym: | Pirx the Pilot |
| Type: | Impact crater |
Pirx is a 90 km (55.9 miles) wide impact crater on Pluto's natural satellite Charon, discovered in 2015 by the American New Horizons probe. It is located in at .[1] The crater is located near Charon's north pole.
Crater Pirx is named after Pilot Pirx, the main character in a series of short stories by Stanislaw Lem. The name was approved by the International Astronomical Union in 2018.