"Yellowstone" most often refers to Yellowstone National Park. Yellowstone may also refer to:

Yellowstone River, a tributary of the Missouri

2-8-8-4, a locomotive type nicknamed Yellowstone

Yellowstone Caldera, a volcanic caldera in Yellowstone National Park

Yellowstone Trail, the first transcontinental automobile highway through the upper tier of states in the United States

Yellowstone County, Montana, no relation to Yellowstone National Park

Yellowstone Lake, the largest body of water in Yellowstone National Park

Yellowstone Falls, two major waterfalls on the Yellowstone River, within Yellowstone National Park, Wyoming, United States

Boeing Yellowstone Project, project to replace its entire civil aircraft portfolio with advanced technology aircraft.

Yellowstone, Wisconsin, an unincorporated community in Lafayette County, Wisconsin

Yellowstone Lake State Park, a Wisconsin state park

Yellowstone (film), a 1936 film