The deputy prime minister of the Republic of Korea (Korean: 대한민국의 부총리) is a senior member of the Cabinet of South Korea that serves as the deputy to the prime minister.

The senior deputy prime minister acts for the prime minister in the event of an impeachment.

[1] Choi Sang-mok and Lee Ju-ho currently serve as deputy prime ministers.

Choi also serves as the acting prime minister and the acting president of South Korea.

[2]