Tepetlaoztoc or Tepetlaoxtoc is an archaeological site located in the Central Mexico plateau region of Mesoamerica. It was an Aztec/Nahua settlement during the Late Postclassic period of Mesoamerican chronology, with an occupancy continuing through the Colonial period. The site is situated in the Valley of Mexico, to the northeast of Texcoco, in the municipality of Tepetlaoxtoc de Hidalgo.