Lutter (Oder)
| Location | near Bad Lauterberg in Osterode am Harz district in Lower Saxony,  Germany |
|---|---|
| Length | 2.2 km |
| confluence | of the Grade Lutter and Krumme Lutter in Kupferhütte 51°38′33″N 10°27′36″E / 51.6425°N 10.46°ECoordinates: 51°38′33″N 10°27′36″E / 51.6425°N 10.46°E |
| Source height | 310 m |
| Mouth | Oder 51°37′22″N 10°27′40″E / 51.622833°N 10.46111°E |
| Mouth height | under 290 m |
| Descent | ca. 20 m |
| Basin | Oder → Rhume → Leine → Aller → Weser |
| Catchment | ca. 17.6 km² |
| Left tributaries | Heibeek |
| Small towns | Bad Lauterberg |
The Lutter is a river that flows near Bad Lauterberg in the district of Osterode am Harz in the north German state of Lower Saxony. It begins at the confluence of the Grade Lutter and Krumme Lutter in Kupferhütte and is 2.2 km long. It discharges into the Oder.