The impeachment of President Yoon Suk Yeol of South Korea in response to his declaration of martial law is unanimously upheld by the country's Constitutional Court, ending his presidency.

On 14 December 2024, Yoon Suk Yeol, the president of South Korea, was impeached by the National Assembly following the passage of an impeachment bill with 204 of the 300 members voting in favor. This action came in response to Yoon's declaration of martial law on 3 December 2024.

The president of the Republic of Korea, also known as the president of South Korea, is the head of state and head of government of South Korea. The president directs the executive branch of the government and is the commander-in-chief of the Republic of Korea Armed Forces.

Yoon Suk Yeol is a South Korean politician and former prosecutor who served as the 13th president of South Korea from 2022 until his removal from office in 2025. A member of the People Power Party during his presidency, he was the shortest-serving directly elected president in the country's democratic history since 1987. Yoon previously served as the prosecutor general of South Korea from 2019 to 2021.

South Korea, officially the Republic of Korea (ROK), is a country in East Asia. It constitutes the southern half of the Korean Peninsula and borders North Korea along the Korean Demilitarized Zone, with the Yellow Sea to the west and the Sea of Japan to the east. Like North Korea, South Korea claims to be the sole legitimate government of the entire peninsula and adjacent islands. It has a population of about 52 million, of which half live in the Seoul Metropolitan Area, the ninth most populous metropolitan area in the world; other major cities include Busan, Daegu, and Incheon.