Graz University of Technology (German: Technische Universität Graz, short TU Graz) is a public research university located in Styria, Austria. It was founded in 1811 by Archduke John of Austria and is the oldest science and technology research and educational institute in Austria. It currently comprises seven faculties and is a public university. It offers 19 bachelor's and 36 master's study programmes (of which 22 are in English) across all technology and natural sciences disciplines. Doctoral training is organised in 14 English-speaking doctoral schools. The university has more than 17,000 students, and around 1,900 students graduate every year. The Graz University of Technology and the University of Graz co-operate in teaching and research of natural sciences.

The university has a staff of 3,830. Research areas are combined in five fields of expertise. TU Graz, the University of Leoben and TU Wien form the network Austrian Universities of Technology (TU Austria) with more than 45,000 students and 11,000 staff.

The university has multiple campuses, as it is mainly situated on three sites in the city, two in the centre of Graz and one in the southeast of the city.

Campus buildings at the Graz University of Technology

1811: The Joanneum is founded by Archduke John of Austria. The first subjects taught were physics, chemistry, astronomy, mineralogy, botany, and technology. Friedrich Mohs became the first professor of mineralogy in 1812.

1864: The Styrian government makes it the Joanneum Regional and Technical College.

1874: The Austrian government takes over the Imperial-Royal College of Technology in Graz.

1888: Opening of the Main Building (Old Technik) by Franz Joseph I of Austria.