Park Joo-sun (Korean: 박주선, born 23 July 1949) is a South Korean politician in Bareunmirae Party who was the president of the party along with Yoo Seong-min, and the Second Deputy Speaker of the National Assembly.

He was willing to run as one of the parliament members of Millennium Democratic Party in 2000, however, failed at the primary, so he ran as independent and finally won.

In 2016, he joined for newly-formed People's Party and also won at the new parliamentary election.

[3] In 2018, he was elected as the president of newly-formed Bareunmirae Party, along with Yoo Seong-min.

He was formerly categorised as pro-DJ but not really, although he was expected to join for Party for Democracy and Peace.