This is a list of the mayors of Ottawa. Until 1854 Ottawa was known as Bytown. Over the course of Ottawa's history the borders of the community have greatly expanded. This most recently occured in 2000 when a number of neighbouring communiteis were amalgamated with Ottawa.
Mayors of Bytown
- 1847 - John Scott
- 1848 - John Bower Lewis
- 1849 - Robert Hervey
- 1850 - John Scott
- 1851 - Charles Sparrow
- 1852 - R.W. Scott
- 1853 - J.B. Turgeon
- 1854 - Henry J. Friel
- 1855-1857 - John Bower Lewis
- 1858-1859 - Edward McGillivray
- 1860-1862 - Alexander Workman
- 1863 - Henry J. Friel
- 1864-1866 - M.K. Dickinson
- 1867 - Robert Lyon
- 1868-1869 - Henry J. Friel
- 1870-1871 - John Rochester
- 1872-1873 - E. Martineau
- 1874-1875 - J.P. Featherston
- 1876 - G.B.L Fellows
- 1877 - W.H. Waller
- 1878 - C.W. Bangs
- 1879-1881 - Charles H. Mackintosh
- 1882-1883 - Pierre St. Jean, M.D.
- 1884 - C.T. Bate
- 1885-1886 - Francis McDougal
- 1887-1888 - McLeod Stewart
- 1889-1890 - Jacob Erratt
- 1891 - Thomas Birkett
- 1892-1893 - Olivier Durocher
- 1894 - George Cox
- 1985-1896 - William Borthwick
- 1897-1898 - Samuel Bingham
- 1899-1900 - Thomas Payment
- 1901 - W.D. Morris
- 1901 - James Davidson
- 1902-1903 - Fred Cook
- 1904-1906 - James A. Ellis
- 1906 - Robert A. Hastey
- 1907-1908 - D'Arcy Scott
- 1908 - Napoleon Champagne
- 1909-1912 - Charles Hopewell
- 1912 - Edward H. Hinchey
- 1913 - James A. Ellis
- 1914 - Taylor McVeity
- 1915-1916 - Nelson D. Porter
- 1917-1920 - Harold Fisher
- 1921-1923 - Frank H. Plant
- 1924 - Napoleon Champagne
- 1924 - Henry Watters
- 1935-1927 - John P. Balharrie
- 1928-1929 - Arthur Ellis
- 1930 - Frank H. Plant
- 1931-1933 - John J. Allen
- 1934-1935 - Patrick Nolan
- 1936-1948 - J.E.S. Lewis
- 1949-1950 - E.A. Bourque
- 1951 - Grenville Goodwin
- 1951-1956 - Charlotte Whitton
- 1957-1960 - George H. Nelms
- 1961-1964 - Charlotte Whitton
- 1965-1969 - Donald B. Reid
- 1970-1972 - Kenneth H. Fogarty, Q.C.
- 1972-1974 - Pierre Benoit
- 1975-1978 - Lorry Greenberg
- 1978-1985 - Marion Dewar
- 1985-1991 - James A. Durrell
- 1991 - Marc Laviolette
- 1991-1997 - Jacquelin Holzman
- 1997-2000 - Jim Watson
- 2001- present - Bob Chiarelli