| Naab | |
| Mouth Coordinates: | 49.0167°N 12.0314°W |
| Subdivision Type1: | Country |
| Length: | 97.50NaN0 |
| Basin Size: | 55140NaN0 |
The Naab (Czech: Nába) is a river in Bavaria, Germany.
This 97.5 kilometer long river is a left tributary of the Danube. Its average discharge at the mouth is .
The Naab is formed by the confluence of the Waldnaab and the Haidenaab in Luhe-Wildenau, south of Weiden in der Oberpfalz. It flows generally south, through the towns Nabburg, Schwandorf and Burglengenfeld. It flows into the Danube near Regensburg.