| Type: | suburb |
| Mardi | |
| City: | Central Coast |
| State: | nsw |
| Local Map: | yes |
| Zoom: | 12 |
| Postcode: | 2259 |
| Pop: | 3,684 |
| Elevation: | 9 |
| Area: | 3.5 |
| Parish: | Tuggerah |
| Coordinates: | -33.29°N 151.41°W |
| Stategov: | Wyong |
| Fedgov: | Dobell |
| Dist1: | 77 |
| Dir1: | SSW |
| Location1: | Newcastle |
| Dist2: | 3 |
| Dir2: | SW |
| Location2: | Wyong |
| Dist3: | 20 |
| Dir3: | N |
| Location3: | Gosford |
| Dist4: | 90 |
| Dir4: | N |
| Location4: | Sydney |
| Dist5: | 16 |
| Dir5: | WNW |
| Location5: | The Entrance |
| Near-Nw: | Wyong Creek |
| Near-N: | Alison |
| Near-Ne: | Wyong |
| Near-W: | Ourimbah |
| Near-E: | Tuggerah |
| Near-Sw: | Kangy Angy |
| Near-S: | Tuggerah |
| Near-Se: | Tuggerah |
Mardi is a suburb of the Central Coast region of New South Wales, Australia. It is part of the local government area. The origin of the name is an Aboriginal word meaning 'stone knife'. Mardi had a population of 3,684 at the .