The following includes the current and the Past Masters having served Acacia Lodge, No. 561 A.F. & A.M. of the Grand Lodge of Canada in the Province of Ontario.

TermNameTermName
2024Derek Brook
2023Derek Brook2022Frank Sigouin
2021Donald Learning2020Donald Learning
2019Donald Learning2018Stephen Plummer
2017Jeffery Campbell2016Sam Roberts
2015C. M. Statham2014Christopher Wanna
2013Douglas M. Campbell2012David Gravelle
2011Paul Gibbon2010Robert S. Uhrig!
2009Richard C. Morrison2008C. M. Statham
2007Robert S. Uhrig!2006Mark G. Paine!
2005Michael Jenkyns*2004H.J. Skynner*
2003A.J. Earnshaw2002Barry F. Burchill
2001J. Campbell2000H.J. Skynner*
1999Michael Jenkyns*1998G.A. Fleck
1997T.W. Briggs!1996Barry F. Burchill
1995D.A. Williams1994William T. Gordon
1993Michael J. Jackson1992G.W. Bent! / Bruce B. Quinney
1991D.W. Archambault1990Douglas M. Campbell
1989R.W. Price*1988H.A. MacMillan*
1987S.V. Campbell*1986L.W. Casey
1985B.B. Quinney1984Neil B. Lillico
1983M.J. Jackson1982William T. Gordon
1981R.F.E. Kempster*1980J.A. Statham*
1979R. Siwicky1978D.M. Zwicker!
1977W.M. Inglis*1976G. Williams / J.H. Johnson*
1975R.S. Hobson1974A.V. Williams*
1973Albert B.B. Sewell*1972F. Novak*
1971G.E. MacDonald*1970S.C. Gratto*
1969J.A. Statham*1968W.D. Archambault*
1967D. Wood*1966J.H. Johnson*
1965G.E. Halliday*1964L.H. Harrow*
1963W.M. Dicks*1962G.A. Forde*
1961G.A. Fee*1960A. Peacock*
1959C.C. Lillico*1958W.L. Moffat*
1957C.W. Carson*1956J.J.W. Darwin*
1955R.C.A. Thurston*1954W.J. Taylor*
1953R.A. Mason*1952K. Campbell*
1951G. Clarkson*1950M.M. Thomson*
1949J.M. Proudman*1948G.R. Shouldice*
1947E.V. Lackey*1946R.E. Isbister*
1945W.F. Davis*1944W.C. Hopper*
1943Wellington C. Hobbs*1942P.R. Halpenny*
1941H.A. Hyde-Clarke*1940G.A. Wild*
1939J.M.M. Spicer*1938F.L. Thompson*
1937H.A. Hyde-Clarke*1936C.W. Crockett*
1935E.P. Roy*1934J.W. Arnott*
1933S. Grandmaison*1932C. Vilbert Craig*
1931F.J.A. Old*1930J.W. Gilchrist*
1929G.T. Wild*1928W.M. Joynt*
1927P. Miller Hastey*1926A.P. McLennan*
1925G.K. Stewart*1924W.A. Dier*
1923A.H. Holloway*1922M.N. Cumming*
1921D.A. MacEachern*1920D.A. MacEachern*

* Died
! Demitted