Flood Fatalities: March 2009 Monthly Total: 4 Vehicle Related: 4
| Day | State | County | Gender | Age | Circumstances |
| 9 | KS | Butler | F | 15 | Car slid off road into flooded culvert due to water ponding on the road. Driver trapped and drowned. |
| 10 | OH | Putnam | M | 74 | Truck swept off road due to flood waters, swept away after exiting truck. |
| 28 | FL | Okaloosa | M | 75 | Drove into flooded roadway and drowned |
| 28 | MS | Harrison | M | 36 | Drove into flooded drainage ditch |