Mount Helen () is located in the Wind River Range in the U.S. state of Wyoming. The peak is the fourth highest peak in the range and the fifth tallest in Wyoming. The summit is located in the Bridger Wilderness of Bridger-Teton National Forest, immediately west of the Continental Divide. The eastern flanks of the mountain are covered in snowfields and glaciers, including Helen and Sacagawea Glaciers, all of which are in the Fitzpatrick Wilderness of Shoshone National Forest.