Sir Charles Hilary Jenkinson CBE LLD FSA FRHistS (1 November 1882 – 5 March 1961) was a British archivist and archival theorist. Writing in 1980, Roger Ellis and Peter Walne commented that "[n]o one man had more influence on the establishment of the profession of archivist in Great Britain than Sir Hilary Jenkinson". Terry Eastwood in 2003 called Jenkinson "one of the most influential archivists in the English-speaking world".