| Mayor | Term | Party
|
| Alpheus P. Hodges | July 1, 1850–May 7, 1851 (One term)
|
| Benjamin D. Wilson | May 7, 1851–May 4, 1852 (One term)
|
| John G. Nichols | May 4, 1852–May 3, 1853 (One term)
|
| Antonio F. Coronel | May 3, 1853–May 4, 1854 (One term)
|
| Stephen C. Foster | May 4, 1854–January 13, 1855 (One term)
|
| (none) | January 13, 1855–January 25, 1855
|
| Stephen C. Foster | January 25, 1855–May 9, 1855 (Partial term)
|
| Dr. Thomas Foster | May 9, 1855–May 7, 1856 (One term)
|
| Stephen C. Foster | May 7, 1856–September 22, 1856 (Partial term)
|
| Manuel Requena | September 22, 1856–October 4, 1856 [Council President, Acting Mayor]
|
| John G. Nichols | October 4, 1856–May 9, 1859 (Three terms)
|
| Damien Marchessault | May 9, 1859–May 9, 1860 (One term)
|
| Henry Mellus | May 9, 1860–December 26, 1860
|
| William Woodworth | December 27, 1860–January 7, 1861 [Council President, Acting Mayor]
|
| Damien Marchessault | January 7, 1861–May 6, 1865 (Four terms)
|
| Jose Marcarel | May 5, 1865–May 10, 1866 (One term)
|
| Christobal Aguilar | May 10, 1866–December 7, 1868 (Two terms)
|
| Joel Turner | December 9, 1868–December 9, 1870 (Two terms)
|
| Cristobal Aguilar | December 9, 1870–December 5, 1872 (Two terms)
|
| J. R. Toberman | December 5, 1872–December 18, 1874 (Two terms)
|
| Prudent Beaudry | December 18, 1874–December 8, 1876 (Two terms)
|
| Frederick A. MacDougal | December 8, 1876–November 16, 1878 (Two terms)
|
| Bernard Cohn | November 21, 1878–December 5, 1878 (Partial term)
|
| J. R. Toberman | December 5, 1878–December 9, 1882 (Four terms)
|
| Cameron E. Thom | December 9, 1882–December 9, 1884 (Two terms)
|
| Edward F. Spence | December 9, 1884–December 14, 1886 (Two terms)
|
| W. H. Workman | December 14, 1886–December 10, 1888 (Two terms)
|
| John Bryson | December 10, 1888–February 25, 1889 (One term)
|
| Henry T. Hazard | February 25, 1889–December 5, 1892 (Two terms)
|
| William H . Bonsall | December 5, 1892–December 12, 1892 [Council President, Acting Mayor]
|
| Thomas E. Rowan | December 12, 1892–December 12, 1894 (One term)
|
| Frank Rader | December 12, 1894–December 16, 1896 (One term)
|
| Meredith P. Snyder | December 16, 1896–December 15, 1898 (One term)
|
| Fred Eaton | December 15, 1898–December 12, 1900 (One term)
|
| Meredith P. Snyder | December 12, 1900–December 8, 1904 (Two terms)
|
| Owen McAleer | December 8, 1904–December 13, 1906 (One term)
|
| Arthur C. Harper | December 13, 1906–March 11, 1909 (One term)
|
| William D. Stephens | March 15, 1909–March 26, 1909 | Republican
|
| George Alexander | March 26, 1909 - July 1913 (Two terms)
|
| Henry Rose | July 1913 - July 1915 (One term)
|
| Charles E. Sebastian | July 1915–September 2, 1916 (One term)
|
| Frederick T. Woodman | September 5, 1916 - July 1919 (Two terms)
|
| Meredith P. Snyder | July 1919 - July 1921 (One term)
|
| George E. Cryer | July 1921 - July 1929 (Three terms)
|
| John C. Porter | July 1929 - July 1933 (One term)
|
| Frank L. Shaw | July 1933–September 26, 1938 (Two terms) | Reform
|
| Fletcher Bowron | September 26, 1938–June 30, 1953 (Four terms) | Democratic
|
| C. Norris Poulson | July 1, 1953–June 30, 1961 (Two terms) | Republican
|
| Samuel W. Yorty | July 1, 1961–June 30, 1973 (Three terms) | Democratic
|
| Thomas Bradley | July 1, 1973–June 30, 1993 (Five terms) | Democratic
|
| Richard J. Riordan | July 1, 1993–June 30, 2001 (Two terms) | Republican
|
| James K. Hahn | July 1, 2001 - present | Democratic
|
| Antonio Villaraigosa | Mayor-elect: scheduled to take office on July 1, 2005 | Democratic
|