Secretary to the Governor General of Canada

Secretary to the Governor General (secrétaire du gouverneur général) is the title used by the administrative head of the Office of the Secretary to the Governor General (OSGG), the Canadian government office that supports the work of the Governor General of Canada. The position is based at Rideau Hall in Ottawa, Ontario.

On November 20, 2023, Kenneth MacKillop was named to the position, effective November 27, 2023. The previous office-holder was Ian McCowan, who was appointed in February 2021 and retired in November 2023.

Overview
The position is one of the oldest public service appointments in Canada and holds the courtesy rank of deputy minister within the Public Service of Canada. Since Confederation, every office-holder has been appointed by order-in-council. The first post-Confederation incumbent, Dennis Godley, initially assumed his post in 1861 and continued into the post-Confederation period, departing in November 1868.

The Secretary to the Governor General holds a number of ex officio positions, as follows. Since the establishment of the Order of Canada in 1967, the office-holder has served as Secretary General of the Order of Canada. The office-holder also serves as Secretary General of the Order of Military Merit and the Order of Merit of the Police Forces. Following the creation of the Canadian Heraldic Authority in 1988, the office-holder became Herald Chancellor of Canada.

Pre-Confederation

 * 1841–1842: Thomas William Clinton Murdoch
 * 1842–1844: Rawson W. Rawson
 * 1842–1843: Henry Bagot (private secretary)
 * 1843–1846: James Macaulay Higginson (private secretary)
 * 1847–1849: Thomas Edmund Campbell
 * 1851–1854: Robert Bruce
 * 1854–1854: Laurence Oliphant
 * 1854–1856: William Keppel, Viscount Bury
 * 1856–1861: Richard T. Pennefather
 * 1861–1861: Francis Retallack (acting secretary)
 * 1861–1867: Dennis Godley

Post-Confederation

 * 1867–1868: Dennis Godley
 * 1868–1872: Francis Turville
 * 1872–1875: Lt.-Col. Henry Charles Fletcher
 * 1875 (March–October): Harry Moody
 * 1875–1878: Edward George Percy Littleton
 * 1878–1883: Francis W. de Winton
 * 1883–1885: Viscount Melgund (later 4th Earl of Minto)
 * 1885–1888: Henry Streatfeild
 * 1888 (June–July)'': Josceline FitzRoy Bagot
 * 1888–1892: C. R. W. Colville
 * 1892–1893: J. T. St. Aubyn
 * 1893–1899: Arthur John Lewis Gordon
 * 1899–1926: Arthur French Sladen
 * 1926–1927: Richard Osborne
 * 1927–1931: Sir Eric Miéville
 * 1931–1935: Sir Alan Lascelles
 * 1935–1946: Sir Arthur Shuldham Redfern
 * 1946–1952: Harry Letson
 * 1952–1959: Lionel Massey
 * 1959–1985: Esmond Unwin Butler
 * 1985–1990: Léopold Henri Amyot
 * 1990–2000: Judith A. LaRocque
 * 2000–2006: Barbara Uteck
 * 2006–2011: Sheila-Marie Cook
 * 2011–2018: Stephen Wallace
 * 2018–2021: Assunta di Lorenzo
 * 2021–2023: Ian McCowan
 * 2023–present: Kenneth MacKillop