Southern Polytechnic State University (SPSU or Southern Poly) is a public, co-educational, state university located in Marietta, Georgia, United States approximately 20 miles (32 km) northwest of downtown Atlanta. It is part of the University System of Georgia and is called "Georgia's Technology University".

The university was established in 1948 as The Technical Institute in Chamblee, Georgia, United States. The first classes were held with 116 students. It was renamed the Southern Technical Institute in 1949 and moved to its present campus in Marietta, Georgia in 1962. It went through another name change in 1987 and became the Southern College of Technology. Later, in the summer of 1996, the university adopted its current name.

Today, the university's campus encompasses more than 230 acres (93 ha) of land and owns 65 buildings. The university is divided into five academic schools: the School of Architecture and Construction Management, the School of Computing and Software Engineering, the School of Engineering Technology and Management, the School of Arts and Sciences, and the School of Engineering. It is unique in the region in that the university's bachelor degrees in Mechatronics Engineering, Surveying and Mapping, Construction Engineering, and Technical Communication in addition to the university's nationally accredited Bachelor of Architecture degree are the first and currently the only degrees of their kind in the University System of Georgia.