Southern Railway
The following railways or railroads are or were called the Southern Railway or Southern Railroad:
Asia
Europe
North America
- Norfolk Southern Railway, a Class 1 railroad in the eastern United States
- Canada Southern Railway, part of the New York Central Railroad
- Southern Railway and Navigation Company, a line of steamboats on the Ohio and Tennessee Rivers
- Arizona Southern Railroad
- Arkansas Southern Railroad, part of the Chicago, Rock Island and Pacific Railway
- British Columbia Southern Railway, part of the Canadian Pacific Railway
- Southern Railway of British Columbia
- California Southern Railroad (possibly several companies of that name)
- Carolina Southern Railway
- Dakota Southern Railroad, part of the Chicago, Milwaukee, St. Paul and Pacific Railroad
- Dakota Southern Railway
- Florida Southern Railroad and Florida Southern Railway, part of the Atlantic Coast Line Railroad
- Illinois Southern Railway, part of the Missouri Pacific Railroad
- Indiana Southern Railroad (never built)
- Indiana and Illinois Southern Railway, part of the Illinois Central Railroad
- Iowa Southern Railroad, part of the Wabash Railway
- Iowa Southern Railway, part of the Chicago and North Western Railway
- Kansas Southern Railway, part of the Atchison, Topeka and Santa Fe Railway
- Southern Railroad of Long Island, part of the Long Island Rail Road
- Louisiana Southern Railway, part of the Missouri Pacific Railroad
- Southern Railroad (Michigan), part of the New York Central Railroad
- Minnesota Southern Railway, part of the Chicago, Milwaukee, St. Paul and Pacific Railroad
- Southern Railway and Light Company and Southern Railway and Traction Company, a street railway in Natchez, Mississippi
- Missouri Southern Railroad
- Southern Railway (St. Louis), a street railway in St. Louis, Missouri
- Montana Southern Railway
- Nebraska Southern Railway, part of the Missouri Pacific Railroad
- Nevada Southern Railroad, part of the Atchison, Topeka and Santa Fe Railway
- New Brunswick Southern Railway, part of the Canadian Pacific Railway
- New Jersey Southern Railroad and New Jersey Southern Railway, part of the Central Railroad of New Jersey
- Ohio Southern Railroad (disambiguation)
- Pennsylvania Southern Railroad
- Quebec Southern Railway (disambiguation)
- Southern Railroad of New Jersey, a short line
- Tennessee Southern Railroad, part of the Illinois Central Railroad
- Texas Southern Railway
- Southern Railway (Texas), part of the Atchison, Topeka and Santa Fe Railway
- Utah Southern Railroad (disambiguation)
- Vermont Southern Railroad, part of the Boston and Maine Railroad
- Virginia and Carolina Southern Railroad, part of the Atlantic Coast Line Railroad
- Virginia Southern Railroad
- Washington Southern Railway (Virginia) in Virginia, south from Washington, D.C.
- West Virginia Southern Railway, part of the Norfolk and Western Railway
South America
- PeruRail, formerly known as Ferrocarril del Sur (Peru Southern Railway)