The following is a list of legislative terms of the Missouri General Assembly, the law-making branch of government of the U.S. state of Missouri. Missouri became part of the United States on August 10, 1821.
| Missouri Constitution of 1820 | |||
| 1820 | |||
| 1822 | |||
| 1824 | |||
| 1826 | |||
| 1828 | |||
| 1830 | |||
| 1832 | |||
| 1834 | |||
| 1836 | |||
| 1838 | |||
| 1840 | |||
| 1842 | |||
| 1844 | |||
| 1846 | |||
| 1848 | |||
| 1850 | |||
| 1852 | |||
| 1854 | |||
| 1856 | |||
| 1858 | |||
| 1860 | |||
| 1862 | |||
| 1864 | |||
| 1867 | |||
| 1869 | |||
| 1871 | |||
| 1873 | |||
| 1875 | |||
| 1877 | |||
| 1879 | |||
| 1881 | |||
| 1883 | |||
| 1885 | |||
| 1887 | |||
| 1889 | |||
| 1891 | |||
| 1893 | |||
| 1895 | |||
| 1897 | |||
| 1899 | |||
| 1901 | |||
| 1903 | |||
| 1905 | |||
| 1907 | |||
| 1909 | |||
| 1911 | |||
| 1913 | |||
| 1915[2] | |||
| 1917 | |||
| 1919 | |||
| 1921 | |||
| 1923 | |||
| 1925 | |||
| 1927 | |||
| 1929 | |||
| 1931 | |||
| 1933 | |||
| 1935 | |||
| 1937 | |||
| 1939 | |||
| 1941 | |||
| 1942 | |||
| 1944 | |||
| 1947 | |||
| 1949 | |||
| 1951 | |||
| 1953 | |||
| 1955 | |||
| 1957 | |||
| 1959 | |||
| 1961 | |||
| 1963 | |||
| 1965 | |||
| 1967 | |||
| 1969 | |||
| 1971 | |||
| 1973 | |||
| 1975 | |||
| 1977 | |||
| 1979 | |||
| 1981 | |||
| 1983 | |||
| 1985 | |||
| 1987 | |||
| 1989 | |||
| 1991 | |||
| 1993 | |||
| 1995 | |||
| 1997 | |||
| 1999 | |||
| 2001 | |||
| 2003 | |||
| 2005 | |||
| 2007 | |||
| 2009 | |||
| 2011 | November 2010: House, Senate | ||
| 2013 | |||
| 2015 | |||
| 2017 | |||
| 2019 | November 2018: Senate | ||
| 2021 | November 2020: House, Senate | ||
| 102nd | 2023 | November 2022: House, Senate | |
| 103rd | 2025 | November 5, 2024: House, Senate | |