Ormsetvatnet is a lake in the municipality of Steinkjer in Trøndelag county, Norway. It is located about 10 kilometres (6.2 mi) northeast of the village of Verrabotn. The 4.27-square-kilometre (1.65 sq mi) lake has a dam at the southern end, the water flows out into the short river Moldelva which flows out into an arm of the Trondheimsfjord.

• List of lakes in Norway