The Peace Agreement of Hat Yai is signed and ratified by the Malayan Communist Party (MCP) and the governments of Malaysia and Thailand, ending the over two-decade-long communist insurgency in Malaysia.

The Hat Yai Peace Agreement marked the end of the Communist insurgency in Malaysia (1968–1989). It was signed and ratified by the Malayan Communist Party (MCP), and the Malaysian and Thailand governments at the Lee Gardens Hotel in Hat Yai, Thailand, on 2 December 1989.

The Malayan Communist Party (MCP), officially the Communist Party of Malaya (CPM), was a Marxist–Leninist and anti-imperialist communist party which was active in British Malaya and later, the modern states of Malaysia and Singapore from 1930 to 1989. It was responsible for the creation of both the Malayan Peoples' Anti-Japanese Army and the Malayan National Liberation Army.

The Communist insurgency in Malaysia, also known as the Second Malayan Emergency, was an armed conflict which occurred in Malaysia from 1968 to 1989, between the Malayan Communist Party (MCP) and Malaysian federal security forces.