Tunnsjøflyan is a lake in the municipality of Røyrvik (and a very small part of Namsskogan) in Nord-Trøndelag county, Norway. The lake drains out into the large lake Tunnsjøen to the east.

Tunnsjøflyan is a lake in the municipality of Røyrvik (and a very small part of Namsskogan) in Nord-Trøndelag county, Norway. The lake drains out into the large lake Tunnsjøen to the east.