Istanbul Technical University (Turkish: İstanbul Teknik Üniversitesi, commonly referred to as ITU or The Technical University) is an international technical university located in Istanbul, Turkey. It is the world's third-oldest technical university dedicated to engineering sciences as well as social sciences recently, and is one of the most prominent educational institutions in Turkey. ITU is ranked 173rd worldwide (1st nationwide) in the field of "Engineering & Technology", and 307th worldwide (1st nationwide) in the field of "Natural Sciences" by the QS World University Rankings in 2016. The university has 99 undergraduate, 192 graduate programs, 14 faculties, labs with total 154,000 m2 area, and 12 research centers. The lecturer / student ratio is 1/25.

Acceptance to the university is competitive, and entrance to most of its departments requires scoring among the top 1% of nearly 2 million applicants at the national university entrance examination known as "YKS" every year. Graduates of ITU have received many TUBITAK science and TUBA awards. Numerous graduates have also become members of the academy of sciences in the U.S.A, Britain and Russia. The university's basketball team, ITUSpor, is in the Turkish Basketball Super League.