List of highways numbered 391

The following highways are numbered 391:

Canada

 * Manitoba Provincial Road 391
 * Newfoundland and Labrador Route 391
 * Qc391.svg Quebec Route 391

Japan

 * Japanese National Route Sign 0391.svg Japan National Route 391

United States

 * I-391.svg Interstate 391
 * Colorado 391.svg Colorado State Highway 391
 * Florida 391.svg Florida State Road 391
 * NY-391.svg New York State Route 391
 * Ellipse sign 391.svg Puerto Rico Highway 391
 * South Carolina 391.svg South Carolina Highway 391
 * SD 391.svg South Dakota Highway 391
 * Secondary Tennessee 391.svg Tennessee State Route 391
 * Virginia 391.png Virginia State Route 391
 * WY-391.svg Wyoming Highway 391