The Treasurer of Maryland is responsible for the management and investment of the cash deposits, bond sale revenue, and all other securities and collateral of the state of Maryland in the United States.

In addition, the Treasurer conducts regular briefings for the Maryland General Assembly and prepares an annual report on the status of the Treasurer's Office.

The Treasurer also sits on the Maryland Board of Public Works.

[1] From 1775 until 1843, Maryland had a separate state treasurer for both the eastern and western shores.

In 1843, the office of the Treasurer of the Eastern Shore was abolished, and the Treasurer of the Western Shore assumed responsibility for both sides of the Chesapeake Bay.