Pilauco is a paleontological and archaeological site located in the city of Osorno in Southern Chile.

[2] All the horizons containing megafauna and evidence of human activity date to the late Pleistocene.

The calibrated radiocarbon dates indicate there was human activity in the site between 16,400 and -12,800 cal years B.P.

[2] The site was claimed to contain evidence for the disputed Younger Dryas impact hypothesis.

[4] In a 2007-2008 paleontological investigation 648 complete and fractured bones, 37 teeth, 11 coprolites, 348 wood pieces, 126 seeds, 28 skin and hair fragments were found.