List of county executives of St. Louis County, Missouri
The county executive of St. Louis County, Missouri is the chief executive officer of St. Louis County's government.
County executives
Presiding Justices, County Court
| # | Justice | Took office | Left office | Party |
| 13 | John H. Lightner | 1863 | 1866 | — |
| 14 | Benjamin Charles | 1866 | 1869 | — |
| 15 | Thomas J. Dailey | 1869 | 1870 | — |
| 16 | Ferdinand Cronebold | 1870 | 1872 | — |
| 17 | Charles Spech | 1872 | 1873 | — |
| 18 | C.F. Schultz | 1873 | 1876 | — |
| 19 | Charles Spech | 1876 | 1877 | — |
| 20 | Henry L. Sutton | 1877 | 1878 | Democrat |
| 21 | George W. Brouster | 1878 | 1882 | Republican |
| 22 | W.A. Hequembourg | 1883 | 1886 | Republican |
| 23 | Julius Nolte | 1887 | 1888 | Republican |
| 24 | Theodore Heege | 1889 | 1898 | Republican |
| 25 | Henry L. Wilson | 1899 | 1902 | Republican |
| 26 | Theodore Heege | 1903 | 1906 | Republican |
| 27 | John Wiethaupt | 1907 | 1923 | Republican |
| 28 | Richard S. Smiley | 1923 | 1927 | Democrat |
| 29 | Albert Wehmeyer | 1927 | 1937 | Republican |
| 30 | Thomas H. Thatcher | 1937 | 1941 | Democrat |
| 31 | Clifford Corneli | 1941 | 1942 | Republican |
| 32 | Henry L. Mueller | 1943 | 1943 | Republican |
| 33 | Luman F. Matthews | 1943 | 1950 | Democrat |