List of justices of the Iowa Supreme Court
Following is a list of justices of the Iowa Supreme Court.
| Judge | County | Began active service | Ended active service |
| Dubuque | January 1, 1876 | December 31, 1887 | |
| Greene | January 1, 1925 | December 31, 1936 | |
| Polk | July 18, 1978 | June 30, 1982 | |
| Woodbury | January 1, 1933 | December 31, 1938 | |
| Kossuth | November 13, 1987 | October 1, 1998 | |
| Warren | October 16, 2006 | July 13, 2022 | |
| Harrison | September 15, 1920 | September 14, 1925 | |
| Linn | April 4, 2008 | December 31, 2010 | |
| Pottawattamie | January 11, 1860 | December 31, 1863 | |
| Lee | January 1, 1868 | December 31, 1891 | |
| Dubuque | September 20, 1965 | March 31, 1972 | |
| Polk | July 2, 1902 | July 9, 1908 | |
| Cerro Gordo | September 27, 1932 January 1, 1939 | December 5, 1932 April 16, 1962 | |
| Webster | October 6, 1998 | November 16, 2019 | |
| Linn | August 14, 1982 | October 16, 2006 | |
| Shelby | September 4, 2018 | Incumbent | |
| Clinton | October 21, 1932 April 17, 1933 | December 4, 1932 December 3, 1934 | |
| Polk | March 1, 1864 | January 19, 1876 | |
| Fremont | September 1, 1870 | December 31, 1883 | |
| Montgomery | May 8, 1894 | February 26, 1917 | |
| Polk | January 1, 1921 | December 31, 1932 | |
| Scott | January 1, 1864 | December 31, 1869 | |
| Scott | January 1, 1933 | December 31, 1938 | |
| Franklin | September 17, 1908 | December 31, 1934 | |
| Webster | January 1, 1921 | December 31, 1932 | |
| Story | January 1, 1941 | November 2, 1969 | |
| Wayne | December 15, 1958 | December 31, 1960 | |
| Plymouth | January 1, 1913 | August 3, 1920 | |
| Polk | March 12, 1889 | December 31, 1901 | |
| Allamakee | January 1, 1889 | December 31, 1900 | |
| Dubuque | November 1, 1847 | January 9, 1855 | |
| Linn | February 1, 1929 | September 15, 1932 | |
| Louisa | January 1, 1939 | December 9, 1950 | |
| Des Moines | February 15, 1854 | January 15, 1855 | |
| Keokuk | January 1, 1935 | December 31, 1940 | |
| Greene | January 11, 1972 | July 29, 1999 | |
| Muscatine | January 26, 1848 | January 14, 1849 | |
| Marion | October 3, 1946 | August 31, 1965 | |
| Woodbury | August 1, 2006 | December 13, 2018 | |
| Linn | January 16, 1855 | June 2, 1856 | |
| Lee | June 12, 1847 | February 15, 1854 | |
| Woodbury | April 30, 1927 | December 31, 1934 | |
| Tama | January 1, 1892 | December 31, 1897 | |
| Dubuque | January 1, 1933 | December 31, 1938 | |
| O'Brien | January 1, 1897 | December 31, 1920 | |
| Shelby | September 1, 1978 | May 31, 2008 | |
| Johnson | February 3, 1953 | April 1, 1971 | |
| Polk | February 12, 1986 | September 30, 2006 | |
| Scott | July 5, 1967 | February 26, 1983 | |
| Kossuth | September 3, 1958 | December 15, 1958 | |
| Lee | January 12, 1860 | December 31, 1867 | |
| Polk | February 23, 2011 | Incumbent | |
| Audubon | January 1, 1943 | January 1, 1953 | |
| Des Moines | December 28, 1846 | June 11, 1847 | |
| Cerro Gordo | July 19, 1965 | June 14, 1978 | |
| Polk | July 27, 2022 | Incumbent | |
| Johnson | January 1, 1901 | December 31, 1912 | |
| Polk | April 12, 1972 | January 31, 1986 | |
| Polk | April 3, 2020 | Incumbent | |
| Polk | February 20, 2019 | Incumbent | |
| Wapello | August 15, 1978 | November 9, 2000 | |
| Johnson | September 14, 1870 | December 31, 1875 | |
| Polk | January 1, 1939 | September 30, 1946 | |
| Shelby | December 27, 1937 | December 13, 1938 | |
| Webster | December 6, 1932 | December 31, 1942 | |
| Polk | April 17, 1962 | August 2, 1978 | |
| Palo Alto | October 1, 1925 | October 15, 1932 | |
| Webster | January 1, 1943 | October 11, 1955 | |
| Scott | August 4, 1986 | July 11, 2003 | |
| Linn | January 28, 2020 | Incumbent | |
| Woodbury | December 14, 1938 | October 1, 1962 | |
| Polk | January 1, 1935 | December 16, 1937 | |
| Pottawattamie | November 3, 1955 | June 30, 1965 | |
| Crawford | December 4, 1934 | February 14, 1936 | |
| Mahaska | January 1, 1913 | December 31, 1924 | |
| Woodbury | July 19, 1965 | August 17, 1978 | |
| Pottawattamie | January 1, 1884 | February 28, 1889 | |
| Jones | November 13, 1969 | August 2, 1980 | |
| Clarke | May 1, 1971 | October 1, 1987 | |
| Montgomery | January 1, 1935 | December 31, 1940 | |
| Buena Vista | January 1, 1888 | December 31, 1889 | |
| Cedar | February 24, 1876 | December 31, 1896 | |
| Bremer | January 1, 1937 | December 31, 1942 | |
| Carroll | January 1, 1915 | December 31, 1920 | |
| Johnson | August 19, 1980 | September 6, 1993 | |
| Mahaska | February 27, 1876 | December 31, 1888 | |
| Cerro Gordo | January 1, 1900 | December 31, 1912 | |
| Dubuque | January 1, 1943 | June 10, 1958 | |
| Ida | October 8, 1987 | August 18, 2001 | |
| Ida | January 1, 1961 | March 4, 1970 | |
| Fremont | May 1, 1917 | December 31, 1934 | |
| Tama | February 15, 1936 | December 31, 1942 | |
| Des Moines | June 3, 1856 | June 9, 1860 | |
| Lucas | August 19, 2001 | December 31, 2010 | |
| Lucas | October 15, 1962 | November 8, 1971 | |
| Polk | September 7, 1993 | December 31, 2010 | |
| Linn | January 1, 1951 | June 30, 1965 | |
| Black Hawk | January 1, 1959 | May 9, 1967 | |
| Franklin | March 10, 1970 | May 22, 1986 | |
| Polk | December 5, 1932 | April 16, 1933 | |
| Appanoose | November 15, 1923 | September 3, 1927 | |
| Keokuk | September 6, 1927 | December 31, 1932 | |
| Scott | January 1, 1898 | June 18, 1902 | |
| Scott | February 23, 2011 | Incumbent | |
| Hardin | January 1, 1902 | November 6, 1923 | |
| Lucas | January 1, 1941 | December 31, 1958 | |
| Polk | October 7, 2003 | March 13, 2020 | |
| Muscatine | December 28, 1846 January 15, 1849 | January 25, 1848 January 11, 1855 | |
| Clayton | January 18, 1870 | September 14, 1870 | |
| Dubuque | December 28, 1846 | October 31, 1847 | |
| Henry | April 19, 1913 | December 31, 1914 | |
| Woodbury | March 11, 1983 | August 12, 1987 | |
| Muscatine | January 9, 1855 | January 11, 1860 | |
| Van Buren | January 5, 1855 June 26, 1860 | January 11, 1860 September 1, 1870 | |
| Black Hawk | February 23, 2011 | September 3, 2018 |