The Toyota Technological Institute (豊田工業大学, Toyota Kōgyō Daigaku) (commonly referred to as TTI) is a university located in Nagoya, Japan. Founded in 1981 by a large endowment from Toyota Motor Corporation, it originally only accepted students with some industrial work experience.

TTI has a School of Engineering, a Master's Program, and a Doctoral Program. The programs consist of three areas of coursework: Mechanical Systems Engineering, Electronics & Information Science, and Materials Science & Engineering.

In 2003 Toyota also opened the Toyota Technological Institute at Chicago, jointly with the University of Chicago. This campus is mainly for Ph.D students, studying Machine Learning, Algorithms & Complexity, Computer Vision, Speech Technologies and Computational Biology.

TSU ranked TTI as the 5th best Japanese university in 2010 and 4th in 2011. In this ranking, TTI has a best employment rate among all Japanese Universities.

In 2012, TTI was ranked 1st in Asia in terms of average number of publication per faculty by the QS World University Rankings.