Lang Suan railway station is a station located in Khan Ngoen Subdistrict, Lang Suan District, Chumphon. It is a class 1 railway station (but not all trains stop here), located 533.3 km (331.4 mi) from Bangkok railway station. Train services from Thonburi railway station reach the furthest extent here. The station opened in July 1917. Daily services are:

Special Express 43/44 Bangkok-Surat Thani-Bangkok
Rapid 171/172 Bangkok-Sungai Kolok-Bangkok
Rapid 169/170 Bangkok-Yala-Bangkok
Rapid 173/174 Bangkok-Nakhon Si Thammarat-Bangkok
Rapid 167/168 Bangkok-Kantang-Bangkok
Express 85/86 Bangkok-Nakhon Si Thammarat-Bangkok
Special Express 39/40 Bangkok-Surat Thani-Bangkok
Special Express 41/42 Bangkok-Yala-Bangkok
Ordinary 254/255 Lang Suan-Thon Buri-Lang Suan
Rapid 177/178 Thon Buri-Lang Suan-Thon Buri
Local 445/446 Chumphon-Hat Yai Junction-Chumphon