Ian E. Wilson (born April 1943) is a former chief Librarian and Archivist of Canada. Appointed in 2004, he had previously (as of July 1999) been National Archivist of Canada. With Roch Carrier, the then National Librarian, he developed and led the process to link the National Archive and National Library as a unified institution. His distinguished career has included archival and information management, university teaching and government service. In addition, he has published extensively on history, archives, heritage, and information management and has lectured both nationally and abroad. Wilson retired as head of LAC in April 2009.