Dismal Swamp

Dismal Swamp may refer to:

Australia

 * Dismal Swamp, South Australia
 * Dismal Swamp Regional Reserve, a protected area of Tasmania

United States

 * Dismal Swamp (New Jersey), a swamp in New Jersey
 * Dismal Swamp State Park, a protected area in North Carolina
 * Great Dismal Swamp, near Virginia and North Carolina
 * Dismal Swamp Canal, a canal in Virginia and North Carolina