Big Butt Mountain or Big Butt are the names of five distinct mountains in Western North Carolina. Butt in this context is a corruption of butte.

Buncombe County

• Big Butt Mountain is a summit in Buncombe and Haywood counties. It has an elevation of 4,767 feet (1,453 m).
• Big Butt is a summit in Buncombe and Yancey counties. It has an elevation of 5,948 feet (1,813 m).

Haywood County

• Big Butt is a summit inside the Great Smoky Mountains National Park in Haywood County, North Carolina. The mountain has an elevation of about 6,024 feet (1,836 m).

Macon County

• Big Butt is a summit in Macon County. The mountain has an elevation of about 5,000 feet (1,500 m).

Madison County

• Big Butt is a summit on the border of North Carolina and Greene County, Tennessee. The mountain has an elevation of 4,806 feet (1,465 m).