Øyingen or Store Øyingen is a lake in the municipality of Snåsa in Trøndelag county, Norway. The 2.95-square-kilometre (1.14 sq mi) lake lies just outside the border of the Blåfjella–Skjækerfjella National Park. The lake Grøningen lies to the southeast and the lake Andorsjøen lies to the northeast.

• List of lakes in Norway