デニス・ダンカン（Dennis Duncan） 文学研究者。ユニバーシティ・カレッジ・ロンドン（UCL）英文学科准教授。専門は近現代英文学、書物史、読書文化で、本と読者の関係や出版文化の歴史を研究している。学術研究に加え、一般読者向けにも書物の歴史や読書文化をわかりやすく紹介する著作を発表している。代表作『索引 ～の歴史』（原題: "Index, A History of the: A Bookish Adventure from Medieval Manuscripts to the Digital Age"）は、索引という一見地味な発明が知識の整理や読書のあり方をどのように変えてきたのかをたどった書物史である。
Dennis Duncan is a British literary scholar and Associate Professor of English at University College London (UCL). His research focuses on modern literature, the history of the book, and reading culture, with particular interest in how books are organized, read, and interpreted. Alongside his academic work, he writes for a general audience on the history of books and literary culture. His best-known book, "Index, A History of the: A Bookish Adventure from Medieval Manuscripts to the Digital Age," traces the surprising history of the book index and shows how it transformed the organization and discovery of knowledge from the Middle Ages to the digital era.
