Wamsutter is a town in Sweetwater County, Wyoming, United States.

Confusion with nearby Fort Washakie prompted an 1884 name change to Wamsutter, after a Union Pacific bridge engineer.

[7] The town, which bills itself as "The Gateway to the Red Desert" is located along Interstate 80 between Rawlins and Rock Springs, on the easternmost border of Sweetwater County.

The natural gas industry has exerted great influence on Wamsutter in recent years, through employment opportunities in the area, and by contributing to the community directly.

[8] Wamsutter is the largest settlement, and the only incorporated town in the Great Divide Basin.

[9] According to the United States Census Bureau, the town has a total area of 1.45 square miles (3.76 km2), all land.

About 11.4% of families and 10.6% of the population were below the poverty line, including 20.6% of those under the age of eighteen and none of those 65 or over.

Public education in the town of Wamsutter is provided by Sweetwater County School District #1.

Upon the completion of 8th grade, students attend Rawlins High School (grades 9–12; part of Carbon County School District #1) by agreement of the respective boards of trustees.