The Sonora Institute of Technology is a Mexican public university based in Ciudad Obregón, Sonora, with satellite campuses in Guaymas, Empalme and Navojoa. Founded in 1955 as a preparatory school called Justo Sierra Institute, it was initially sponsored by Lions International until 1956, when it renamed as Northwestern Institute of Technology. In 1962, Governor Luis Encinas Johnson approved a state law that restructured the institution and gave it its current name.

Ciudad Obregón is a city in southern Sonora. It is the state's second largest city after Hermosillo and serves as the municipal seat of Cajeme. As of 2020, the city has a population of 436,484. Ciudad Obregón is 530 km (330 mi) south of the state's northern border.