Walle Township is a township in Grand Forks County, North Dakota, United States. The population was 515 at the 2020 census.
It borders Minnesota to its east.
The township was named after Valle, Norway by Olav N. Loiland and his siblings, the township's first permanent settlers.
Walle Township has a total area of , of which is land and is water.
As of the 2023 American Community Survey, there were an estimated 112 households.