| LaDonna Appelbaum | |
| State House: | Missouri |
| State: | Missouri |
| District: | 71st |
| Term Start: | 9 January 2019 |
| Preceded: | Sue Meredith |
| Party: | Democratic |
| Birth Date: | 10 February 1967 |
| Birth Place: | Harrison, Arkansas, U.S. |
LaDonna Lynn Appelbaum (born February 10, 1967) is a Democratic member of the Missouri General Assembly, representing the state's 71st House district which covers portions of St. Louis County, Missouri.
Appelbaum won the election on 6 November 2018 from the platform of Democratic Party. She secured seventy-seven percent of the vote while her closest rival Libertarian LaDonna Higgins secured twenty-three percent.[1]