The Islamic Azad University, Science and Research Branch (commonly referred to as Science and Research University, SRBIAU, or simply S&R, Persian: دانشگاه آزاد اسلامی واحد علوم و تحقيقات, Dāneshgāh-e Āzād-e Eslāmi Vāhed-e Olum va Tahghighāt) is a private research university in Tehran, Iran. It is an independent comprehensive branch of the Islamic Azad University system.