List of highways numbered 556

Route 556, or Highway 556, may refer to:

Canada

 * Alberta Highway 556
 * Ontario Highway 556.svg Ontario Highway 556

United Kingdom

 * UK road A556.svg A556 road

United States

 * Texas:
 * Texas:
 * Texas:
 * Texas:
 * Texas:
 * Texas:
 * Texas:
 * Texas: