Barry Dov Walfish was the Judaica Bibliographer and Curator at the University of Toronto Libraries until his retirement.

His research interests include the history of biblical interpretation and reception, Karaites and Karaism, and the history of the Jewish Book.
Among his publications are Esther in Medieval Garb (1993) and Bibliographia Karaitica (2011). He also serves as the Main Editor for Judaism for the Encyclopedia of the Bible and its Reception (2009-present)