The state treasurer of Missouri is a statewide elected official responsible for serving as Missouri's chief financial officer.

Vivek Malek has served as state treasurer since January, 2023.

[2] The state treasurer also helps oversee MOST - Missouri's 529 College Savings Plan, which helps families start building a college fund.

[2] The state treasurer partners with Missouri banks to make low-interest loans to small businesses and farms through Missouri FIRST.

[2] The state treasurer represents taxpayers by serving on the governing boards of the Missouri Housing Development Commission, the Missouri State Employees' Retirement System, the state Board of Fund Commissioners, and the Missouri Cultural Trust Board.