Whiteface Reservoir is an unorganized territory in Saint Louis County, Minnesota, United States.

A majority of Whiteface Reservoir Unorganized Territory is located within the Cloquet Valley State Forest of Saint Louis County.

The following are adjacent to Whiteface Reservoir Unorganized Territory: At the 2000 census there were 292 people, 130 households, and 99 families living in the unorganized territory.

The racial makeup of the unorganized territory was 98.97% White, 0.68% Native American, and 0.34% from two or more races.

[1] Of the 130 households 14.6% had children under the age of 18 living with them, 71.5% were married couples living together, 3.8% had a female householder with no husband present, and 23.1% were non-families.