A constitutional referendum was held in South Korea on 21 November 1972.

[1] President Park Chung-hee had suspended the constitution and dissolved the National Assembly in October.

The finished product, the Yushin Constitution, was a severely authoritarian document that dramatically expanded the president's powers and allowed him to run for an unlimited number of six-year terms.

For all intents and purposes, the document concentrated all governing power in Park's hands.

[2] The adoption of the constitution upon the announcement of the official referendum results ushered in the Fourth Republic of South Korea.