Commanding Officers:
75th Batallion 1915- 1921
The Toronto Scottish Regiment: 1921 - 2000
The Toronto Scottish Regiment (Queen Elizabeth The Queen Mother's Own) 2000 - Present
| Lieutenant-Colonel Samuel G. Beckett | 1915 | |
| Lieutenant-Colonel Alan J. McCausland | 1917 | |
| Lieutenant-Colonel Charles B. Worsnop DSO | 1917 | |
| Lieutenant-Colonel Colin C. Harbottle DSO | 1917 – 1918 | |
| Major Albert G. Poupore DSO | 1918 | |
| Major John B. Bailey DSO | 1918 | |
| Lieutenant-Colonel John T.C. Thompson DSO | 1918 | |
| Captain Frank K. Prouse MC | 1918 | |
| Major William O. Morris | 1918 | |
| Major James S. Rankin DSO | 1918 | |
| Lieutenant-Colonel Colin C. Harbottle CMG DSO | 1918 - 1928 | |
| Lieutenant-Colonel W.H. Watson ED | 1928 – 1931 | |
| Lieutenant-Colonel Alan M. Thomas MBE VD | 1931 – 1935 | |
| Lieutenant-Colonel Frank E. Odlum VD | 1935 – 1938 | |
| Lieutenant-Colonel Christopher C. Thompson ED | 1938 – 1940 | |
| Lieutenant-Colonel John H. Christie MC ED | 1940 – 1941 | |
| Major W. Gordon T. Roach OBE MC ED | 1941 – 1942 | |
| Lieutenant-Colonel Guy S.N. Gostling CBE ED | 1942 | |
| Major Ernest G. Johnson | 1942 | |
| Lieutenant-Colonel Donald K. Tow OBE ED | 1942 – 1943 | |
| Lieutenant-Colonel Ernest G. Johnson DSO OBE | 1943 – 1945 | |
| Lieutenant-Colonel J.F. Ellis MBE | 1945 – 1949 | |
| Lieutenant-Colonel Bryan A. Upjohn CD | 1949 – 1951 | |
| Lieutenant-Colonel William W. Drinkwater CD | 1951 – 1952 | |
| Major Wilfred R. Moffatt CD | 1952 | |
| Lieutenant-Colonel William S. Rutherford ED | 1952 – 1954 | |
| Lieutenant-Colonel John M. Rutherford ED | 1954 – 1956 | |
| Lieutenant-Colonel Kenneth E. White CD | 1956 – 1958 | |
| Lieutenant-Colonel E.Burtch Morgan CD | 1958 – 1960 | |
| Lieutenant-Colonel Robert H. Hilborn MBE CD | 1960 – 1963 | |
| Lieutenant-Colonel J. Donald Learment DSO CD | 1963 – 1965 | |
| Lieutenant-Colonel Peter M. Eshelby CD | 1965 – 1967 | |
| Lieutenant-Colonel Donald J. Vance CD | 1967 – 1970 | |
| Lieutenant-Colonel Hugh P. Stewart CD | 1970 – 1973 | |
| Lieutenant-Colonel Donald C. Johnston CD | 1973 – 1976 | |
| Lieutenant-Colonel Walter M. Godsoe CD | 1976 – 1979 | |
| Lieutenant-Colonel James E. Parker CD | 1979 – 1982 | |
| Lieutenant-Colonel John D. Nosotti CD | 1982 – 1985 | |
| Lieutenant-Colonel Jeremiah R. Chowzun CD | 1985 – 1989 | |
| Lieutenant-Colonel John Glaysher CD | 1989 – 1992 | |
| Lieutenant-Colonel J. Paul de B. Taillon CD | 1992 – 1995 | |
| Lieutenant-Colonel Donald J. Beveridge CD | 1995 – 1998 | |
| Lieutenant-Colonel Julian C. Chapman CD | 1998 - 2002 | |
| Lieutenant-Colonel J. Michael Trayner CD | 2002 - 2005 | |
| Lieutenant-Colonel Dwayne K. Hobbs CD | 2005 - 2008 | |
| Lieutenant-Colonel Justin Neil CD | 2008 - 2011 | |
| Lieutenant-Colonel Fred A. Moore CD | 2011 - 2014 | |
| Lieutenant-Colonel Garry Moore CD | 2014 - 2017 | |
| Lieutenant-Colonel Graham Walsh CD | 2017 - 2020 | |
| Lieutenant-Colonel R. Jason Kearney CD | 2020 - |
