Adda (river) is a tributary of the Po in North Italy.
Adda River may also refer to:
- Adda River (South Sudan), a river in Western Bahr el Ghazal, South Sudan
- River Adda (Wales), a small watercourse which flows through the city of Bangor, North Wales
Adda (river) is a tributary of the Po in North Italy.
Adda River may also refer to: