The Government of South Korea is the national government of the Republic of Korea, created by the Constitution of South Korea as the executive, legislative and judicial authority of the republic. The president acts as the head of state and is the highest figure of executive authority in the country, followed by the prime minister and government ministers in decreasing order.

The Constitution of the Republic of Korea is the supreme law of South Korea. It was promulgated on July 17, 1948, and last revised on October 29, 1987.