The following highways are numbered 555:
| Preceded by 554 | Lists of highways 555 | Succeeded by 556 |
U.S. Highway 17 (US 17) in Florida is a north–south United States Numbered Highway that runs 317 miles (510 km) from the Punta Gorda, Florida Metropolitan Statistical Area northeast to the Jacksonville metropolitan area.
State Route 676 (SR 676) is a 26.53-mile (42.70 km) long east–west state highway in the southeastern portion of the U.S. state of Ohio. The western terminus of SR 676 is at a T-intersection with SR 555 approximately 3 miles (4.8 km) southeast of the village of Chesterhill. Its eastern terminus is at a T-intersection with SR 7 in the southwestern portion of the city of Marietta.
State Route 555 is a 62.36-mile-long (100.36 km), north–south running state highway that passes through four counties in southeastern Ohio. State Route 555's southern terminus is at the concurrency of US 50, SR 7 and SR 32 in the unincorporated community of Little Hocking in extreme southwestern Washington County. Its northern terminus is at SR 60 in Wayne Township, just outside Zanesville. The route passes through primarily rural portions of Washington, Morgan, Perry, and Muskingum counties, connecting unincorporated villages along the way. Its emergence into southern Zanesville at the route's northern end takes the route into a more suburban setting before it terminates.
