South Devon Railway may refer to:

  • South Devon Railway Company - the company that built the railway from Exeter to Plymouth
  • South Devon Railway (heritage railway) - the heritage railway from Totnes to Buckfastleigh
  • South Devon Railway Engineering - rolling stock engineering company based at Buckfastleigh

Other heritage railways in South Devon include:

  • Paignton and Dartmouth Steam Railway

Other early railways in South Devon include:

  • Buckfastleigh, Totnes and South Devon Railway
  • Dartmouth and Torbay Railway
  • Launceston and South Devon Railway
  • Lee Moor Tramway
  • Moretonhampstead and South Devon Railway
  • Plymouth and Dartmoor Railway
  • Plymouth, Devonport and South Western Junction Railway
  • South Devon and Tavistock Railway
  • Torbay and Brixham Railway