Huai Mut railway station is a railway station located in Na San Subdistrict, Ban Na San District, Surat Thani. It is a class 3 railway station located 669.68 km (416.1 mi) from Thon Buri railway station.

• Rapid No. 173/174 Bangkok-Nakhon Si Thammarat-Bangkok
• Local No. 445/446 Chumphon-Hat Yai Junction-Chumphon
• Local No. 447/448 Surat Thani-Sungai Kolok-Surat Thani

• Ichirō, Kakizaki (2010). Ōkoku no tetsuro: tai tetsudō no rekishi. Kyōto: Kyōtodaigakugakujutsushuppankai. ISBN 978-4-87698-848-8.
• Otohiro, Watanabe (2013). Tai kokutetsu yonsenkiro no tabi: shasō fūkei kanzen kiroku. Tōkyō: Bungeisha. ISBN 978-4-286-13041-5.

8°50′07″N 99°20′59″E / 8.8354°N 99.3498°E / 8.8354; 99.3498