Andorsjøen (Norwegian) or Aantesjaevrie (Southern Sami) is a lake in the municipality of Snåsa in Trøndelag county, Norway. It lies about 25 kilometres (16 mi) east of the village of Snåsa. The Blåfjella–Skjækerfjella National Park borders the 4.25-square-kilometre (1.64 sq mi) lake to the south and east. The lake Store Øyingen lies about 10 kilometres (6.2 mi) to the southwest.

• List of lakes in Norway