Cha Am is a district (Amphoe) in the southern part of Phetchaburi province, central Thailand.
The district was established in 1897 in the name of Na Yang. In 1914 the centre of the district was moved to Ban Nong Chok (now in Tha Yang district) and changed the name to Nong Chok district. After World War II, the government moved the office to Tambon Cha Am and also changed the district name to be Cha Am.
It is a famous beach resort town in Thailand.
Cha Am houses the only American university in Thailand. Webster University has nearly 200 students from various countries. Cha Am is also famous for its beach front which is home to many high rise beach resorts