Ko Khram (Thai: เกาะคราม, pronounced [kɔ̀ʔ kʰrāːm]), also known as Ko Khram Yai (เกาะครามใหญ่, [kɔ̀ʔ kʰrāːm jàj]), is an island in Bangkok Bay about 24 km south southwest of Pattaya.

The island's coast is formed by rocky cliffs[3] with white sandy beaches in between.

This island marks the southeasternmost point of the Bay of Bangkok, on the east side of the Gulf of Siam.

Administratively Ko Khram belongs to Sattahip District, Chonburi Province.

[5] Other islands of the Ko Khram group include the following, among some minor rocks and islets: