| State Treasurer of Mississippi | |
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| Seat | Jackson, Mississippi |
| Term length | Four years |
| Constituting instrument | Constitution of Mississippi |
| Formation | 1817 |
| Salary | US$90,000 |
State Treasurer of Mississippi is a post created in 1817 when the state was admitted to the Union. Before the state was formed by splitting the Alabama Territory from the Mississippi Territory, an equivalent post was the Territorial Treasurer General, established in 1802.