Great Western
Great Western is the name
- a former British railway company: Great Western Railway
- of a former British steamship of the Great Western Railway: SS Great Western, see Great Western (ship)
- the former main line of the Great Western Railway: Great Western Main Line
- a British railway company on the Great Western Main Line, formerly First Great Western: Great Western Railway (2015)
- a Canadian railway company: Great Western Railway (Saskatchewan)
- a former railroad company in Canada: Great Western Railway (Ontario)
- a Canadian brewery: Great Western Brewing
- a former US railroad company: Chicago Great Western Railroad
- a former US sugar refinery: Great Western Sugar Company (later Great Western United), now the Western Sugar Cooperative subsidiary of Tate & Lyle
- of a former US automobile manufacturer: Great Western Automobile Company
- a city in Australia: Great Western (Victoria)