• Great Western Railway (Tasmania)
  Great Western Railway (Tasmania)
  The Tasmanian Great Western Railway was a proposed railway that was never built to connect Hobart with the west coast during the 1890s mining boom in Tasmania...
  
  

• Great Western Railway (Ontario)
  Great Western Railway (Ontario)
  The Great Western Railway was a historic Canadian railway that operated in Canada West and later the province of Ontario, following Confederation...
  
  
• Great Western Railway (Saskatchewan)
  Great Western Railway (Saskatchewan)
  The Great Western Railway is a Canadian short line railway company operating on former Canadian Pacific Railway trackage in southwest Saskatchewan. GWR is the operating company whereas Westcan Rail Saskatchewan Ltd. is the owner of the track and structures...
  
  

• Great Western Railway
  Great Western Railway
  The Great Western Railway was a British railway company that linked London with the south-west and west of England and most of Wales. It was founded in 1833, received its enabling Act of Parliament in 1835 and ran its first trains in 1838...
  
   (1833–1948)
  • Great Western Main Line
    Great Western Main Line
    The Great Western Main Line is a main line railway in Great Britain that runs westwards from London Paddington station to the west of England and South Wales. The core Great Western Main Line runs from London Paddington to Temple Meads railway station in Bristol. A major branch of the Great...
    
     main line formerly operated by the GWR
  • First Great Western
    First Great Western
    First Great Western is the operating name of First Greater Western Ltd, a British train operating company owned by FirstGroup that serves Greater London, the South East, South West and West Midlands regions of England, and South Wales....
    
     company currently operating the main line

• Midland Great Western Railway
  Midland Great Western Railway
  The Midland Great Western Railway was the third largest Irish gauge railway company in Ireland. It was incorporated in 1845 and absorbed into the Great Southern Railway in 1924. It served part of Leinster, County Cavan in Ulster and much of Connaught...
  
  
• Great Southern and Western Railway
  Great Southern and Western Railway
  The Great Southern and Western Railway was the largest Irish gauge railway company in Ireland in the late 19th and early 20th centuries...
  
  

• Argentine Great Western Railway
  Argentine Great Western Railway
  The Argentine Great Western Railway was a British-owned railway company, founded in 1887, that operated a broad gauge, , railway network in the Argentine provinces of San Luis, San Juan and Mendoza...
  
  
• Great Western Railway of Brazil

• Atlantic and Great Western Railroad
  Atlantic and Great Western Railroad
  The Atlantic and Great Western Railroad began as three separate railroads: the Erie and New York City Railroad based in Jamestown, New York; the Meadville Railroad based in Meadville, Pennsylvania ; and the Franklin and Warren Railroad based in Franklin Mills, Ohio...
  
   (1853–1880) predecessor of the New York, Pennsylvania and Ohio Railroad
• Chicago Great Western Railway
  Chicago Great Western Railway
  The Chicago Great Western Railway was a Class I railroad that linked Chicago, Minneapolis, Omaha, and Kansas City. It was founded by Alpheus Beede Stickney in 1885 as a regional line between St. Paul and the Iowa state line called the Minnesota and Northwestern Railroad...
  
   (1885–1968)
• Great Western Railway of Colorado
  Great Western Railway of Colorado
  The Great Western Railway of Colorado operates about of track in Colorado and interchanges with the Union Pacific Railroad as well as the BNSF Railway. It is a currently a subsidiary of OmniTRAX but was founded in 1901 to serve the Great Western Sugar Company and other sugar, beet, and molasses...
  
  
• Great Western Railroad (Illinois) (1853-1865) predecessor of the Wabash Railroad
• Great Western Railroad (Ohio)

See also

• Rain, Steam and Speed – The Great Western Railway, painting by J.M.W. Turner