Articles on Lehigh Line include:
- Lehigh Valley Railroad, a former railroad that merged into Conrail
- Lehigh Valley Railway, a former short line railroad owned by the Lehigh Valley Railroad
- Lehigh Line (Norfolk Southern) (original Lehigh Line, formerly known as Lehigh Valley Mainline), the Lehigh Valley Railroad's main line, now owned by Norfolk Southern Railway
- Lehigh Line (Conrail), a rail line owned by Conrail Shared Assets Operations, was once part of the original Lehigh Line
- Lehigh Line Connection, a railroad connection near Newark, New Jersey
- Lehigh Line (Conrail), a rail line owned by Conrail Shared Assets Operations, was once part of the original Lehigh Line