The Historiographical Institute of the University of Tokyo (東京大学史料編纂所, Tōkyō daigaku shiryō hensan-jo) is a research institution affiliated with the University of Tokyo that is devoted to the analysis, compilation, and publication of historical source materials concerning Japan. Since its foundation in 1869, the Institute has been a major centre of Japanese historical research and makes historical sources available through its library, publications, and databases.