Pichilemu post office building (Spanish: Edificio de la Oficina de Correos de Pichilemu) was a building located in Pichilemu, Chile, which served as the city's post office until 26 February 2010, the day before a magnitude 8.8 earthquake hit central Chile.

The building was located in front of the Pichilemu Police station.

[2] The building was constructed by Daniel Ortúzar in late 1880s, and worked as hotel until 1911.

[4] The building was damaged after the Great Valdivia earthquake of 1960, and was reconstructed between 1962 and 1965.

[4] It was severely damaged after the 27 February and 11 March 2010 earthquakes, and was demolished in July 2010.