Michael S. Seadle (born 1950) is an information scientist and historian.He is professor for digital libraries at the Berlin School of Library and Information Science at Humboldt-Universitaet zu Berlin. He was Chair of the iSchools from 2014 to 2016. In 2017 he became the Executive Director with a term until March 2020. In 2016 he became one of the founders of the Humboldt-Elsevier Advanced Data and Text Centre at Humboldt-Universität zu Berlin.