Mesnali is a village in Ringsaker Municipality in Innlandet county, Norway. The village is located about 15 kilometres (9.3 mi) southeast of the town of Lillehammer and about 8 kilometres (5.0 mi) southwest of Sjusjøen. Sjusjøen is an area in Norway that is very famous for its winter sports such as cross-country skiing and downhill skiing. The area just north of Mesnali has one of the largest concentrations of holiday cottages in all of Norway.

The 0.61-square-kilometre (150-acre) town has a population (2024) of 382 and a population density of 626 inhabitants per square kilometre (1,620/sq mi).

Mesnali is also known as the site of the grave of Sigrid Undset, a Norwegian author who was awarded the Nobel prize for literature. Her portrait was on the Norwegian 500-kroner note from 1994 until 2020.