The Institute of Education and Research, University of Dhaka (Bengali: শিক্ষা ও গবেষণা ইনস্টিটিউট, ঢাকা বিশ্ববিদ্যালয়), (also known as IER, University of Dhaka or simply IER), is the oldest and biggest institution for the study of education in Bangladesh. The institute of Education and Research was established as the first institute of the University of Dhaka with the technical and financial assistance of United States Agency for International Development (USAID).