The Participation Party (Hangul: 국민참여당, Hanja: 國民參與黨, Abbreviation: 참여당) was a political party of South Korea. It was formed by many of the former members of the Uri Party after the death of former President Roh Moo-hyun. It has since attracted a large following on the internet. Rhyu Si-min was elected as Party Chairman on March 19, 2011. In March 2011 it has 45,335 members.