List of highways numbered 803

The following highways are numbered 803:

Costa Rica

 * CR RNT 803.svg National Route 803

United States

 * Louisiana 803.svg Louisiana Highway 803
 * Louisiana Highway 803-1
 * Louisiana Highway 803-2
 * Louisiana Highway 803-3
 * Maryland State Route 803 (former)
 * Territories:
 * Ellipse sign 803.svg Puerto Rico Highway 803