South Devon Railway

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