is a region covering the Alappuzha, Kottayam and Pathanamthitta Districts, in the state of Kerala, India, well known for its vast paddy fields and geographical peculiarities. The region has the lowest altitude in India, and is one of the few places in the world where farming is carried on around 1.2 to 3.0 metres below sea level. Kuttanadu is historically important in the ancient history of South India and is the major rice producer in the state. Farmers of Kuttanad are famous for Biosaline Farming. Food and Agriculture Organization (FAO) has declared the Kuttanad Farming System as a Globally Important Agricultural Heritage Systems (GIAHS).
Four of Kerala's major rivers, the Pamba, Meenachil, Achankovil and Manimala flow into the region. It is well known for its boat race in the Punnamada Backwaters, known in Malayalam as Vallamkalli.