This is a list of elections held in Ottawa, Ontario. Direct elections for mayor have been held continuously since 1873.

City of Ottawa mayoral election results since 1887

1887

  1. McLeod Stewart, 2,169
  2. W. E. Brown, 1,790

1888

  1. McLeod Stewart, 1,957
  2. W. E. Brown, 1,643
  3. W. H. Lewis, 360

1889

  1. Jacob Erratt, 2,823
  2. Dr. Valade, 2,345

1890

  1. Jacob Erratt, 2,620
  2. W. H. Lewis, 1,419

1891

  1. Thomas Birkett, 2,396
  2. Dr. St. Jean, 1,459
  3. John Heney, 1,095
  4. Alex MacLean, 385

1892

  1. Olivier Durocher, 2,280
  2. George Cox, 2,199

1893

  1. Olivier Durocher, acclaimed

1894

  1. George Cox, 2,289
  2. C. R. Cunningham, 1,663
  3. William R. Stroud, 1,549

1895

  1. William Borthwick, 3,277
  2. William Cluff, 3,188

1896

  1. William Borthwick, acclaimed

1897

  1. Samuel Bingham, 2,712
  2. Levi Crannell, 2,558
  3. William Cluff, 1,869

1898

  1. Samuel Bingham, acclaimed

1899

  1. Thomas Payment, 3,067
  2. Robert Stewart, 2,424
  3. William Cluff, 2,301

1900

  1. Thomas Payment, 3,626
  2. William Campbell, 3,240

1901

  1. William Dowler Morris, 3,436
  2. Fred Cook, 1,590
  3. Thomas Raphael, 1,534
  4. Thomas Butler, 266
  5. Samuel J. Davis, 194
  6. William Campbell, 175

1902

  1. Fred Cook, acclaimed

1903

  1. Fred Cook, acclaimed

1904

  1. James A. Ellis, 3,992
  2. D'Arcy Scott, 3,333
  3. J. C. Enright, 777

1905

  1. James A. Ellis, 4,623
  2. William Dowler Morris, 4,146

1906

  1. James A. Ellis, 4,773
  2. A. A. Taillon, 4,523
  3. William G. Black, 59

1907

  1. D'Arcy Scott, 3,988
  2. Charles Hopewell, 3,800
  3. William Dowler Morris, 1,570
  4. William G. Black, 171

1908

  1. D'Arcy Scott, acclaimed

1909

  1. Charles Hopewell, acclaimed

1910

  1. Charles Hopewell, acclaimed

1911

  1. Charles Hopewell, 4,968
  2. A. E. Caron, 4,411
  3. Roberts, 331

1912

  1. Charles Hopewell, 4,146
  2. E. J. Laverdure, 3,892
  3. P. D. Ross, 3,323

1913

  1. James A. Ellis, 5,816
  2. E. J. Laverdure, 5,038
  3. George Wilson, 1,572

1914

  1. Taylor McVeity, 7,184
  2. James A. Ellis, 6,883

1915

  1. Nelson D. Porter, 7,539
  2. Taylor McVeity, 7,124

1916

  1. Nelson D. Porter, acclaimed

1917

  1. Harold Fisher, 6,122
  2. Nelson D. Porter, 4,392
  3. Taylor McVeity, 2,391

1918

  1. Harold Fisher, acclaimed

1919

  1. Harold Fisher 7,624
  2. Rufus H. Parent 4,642

1920

  1. Harold Fisher 7,962
  2. G. C. Hurdman 5,608

1921

  1. Frank H. Plant 7,826
  2. Joseph Kent 7,804

(results after recount)

1922

  1. Frank H. Plant 10,923
  2. Joseph Kent 4,698
  3. W. K. McManus 241

1923

  1. Frank H. Plant, acclaimed

1924 (January)

  1. Henry Watters 14,641
  2. Frank H. Plant 9,969
  3. Taylor McVeity 736

1924 (December)

  1. John P. Balharrie 15,159
  2. Arthur Ellis 8,405
  3. W. E. Brown 1,546

1925

  1. John P. Balharrie, acclaimed

1926

  1. John P. Balharrie 12,336
  2. Patrick Nolan 6,354
  3. Frank H. Plant 6,273

1927

  1. Arthur Ellis 11,183
  2. John P. Balharrie 8,415
  3. Patrick Nolan 7,805

1928

  1. Arthur Ellis, acclaimed

1929

  1. Frank H. Plant, acclaimed

1930

  1. John J. Allen, acclaimed

1931

  1. John J. Allen, acclaimed

1932

  1. John J. Allen 16,295
  2. Andrew F. Macallum 8,894
  3. Charles J. Tulley 6,541