Lang Suan (Thai: หลังสวน) is a small town on the Central Gulf Coast of Southern Thailand. It is close to Chumphon.
Lang Suan is a haven for those who want to get in touch with nature. There are several tourist destinations in the area where people can relax and get away from the hubbub of the busy city life. If you are into parks, you may want to visit Somdej Phra Srinkarin Chumphon. Spelunking is an option for those who want to visit Khao Ngoen and Khao Kriab caves. Or, if you want to experience the sea, Lam-son Beach and Khor Khao Beach are places you can go. There are fishing communities in the district which can be found on Phithak Island and in Lang Suan.