St Germans railway station serves the village of St Germans in Cornwall, England. The station is managed by Great Western Railway and is situated on the Cornish Main Line 10 miles 33 chains (16.8 km) from the line's northern terminus of Plymouth and 256 miles 28 chains (412.6 km) from London Paddington via Box and Plymouth Millbay. To the east of the station, the thirteen arch stone viaduct of 1908 takes the railway over the River Tiddy.

The Cornish Main Line is a railway line in Cornwall and Devon in the United Kingdom. It runs from Penzance to Plymouth, crossing from Cornwall into Devon over the famous Royal Albert Bridge at Saltash.