| Ann D. Duplessis | |
| State Senate: | Louisiana |
| District: | 2nd |
| Term Start: | 2004 |
| Term End: | June 27, 2010 |
| Party: | Democratic |
| Occupation: | Banking, financial services |
| Spouse: | Virgil Duplessis |
| Residence: | New Orleans, Louisiana |
Ann D. Duplessis is a Democratic former member of the Louisiana Senate for the Second District. She held the seat from 2004 to 2010, when she resigned to enter the administration of Mayor Mitch Landrieu of New Orleans.[1]