| Waitati River | |
| Pushpin Map: | New Zealand#New Zealand South Island |
| Pushpin Map Size: | 270px |
| Pushpin Map Caption: | Mouth of the Waitati River |
| Source1 Location: | Swampy Summit |
| Source1 Coordinates: | -45.794°N 170.4915°W |
| Mouth Coordinates: | -45.7519°N 170.5781°W |
| Subdivision Type1: | Country |
| Subdivision Name1: | New Zealand |
| Progression: | Waitati River → Blueskin Bay → Pacific Ocean |
| Tributaries Left: | Burns Creek, Fergusons Creek, Semple Burn |
| Tributaries Right: | Cedar Creek, Dons Creek |
The Waitati River is a river in New Zealand, flowing into the Pacific Ocean at Blueskin Bay, north of Dunedin. The Dunedin Northern Motorway follows the valley of the Waitati between the Leith Saddle and Waitati. The river flows through the town of Waitati before discharging into the Orokonui Lagoon, an estuary of Blueskin Bay.