Pak Hon-yong (28 May 1900 – December 1956(?)) was a leader of the Korean Communist Party and Workers' Party of South Korea. One of the main leaders of the Korean communist movement.
He led of "Irkutsk Faction" and "Tuesday Faction", and "Kyongsong Communist Group" in Korean communist movement during Japan's colonial rule (1910–45). After the liberation of Korea, he participated in the formation of People's Republic of Korea in Seoul, but he strongly opposed the joint with the right-wing in South Korea. Eventually the government is dismissed. In the late 1940s, started the uprising and general strike in South Korea. In addition, he led factions involved in Jeju uprising. After returning to the failed uprising in South Korea, he go to North Korea for reunification talks, was remained in there. And his led Faction called "Domestic Faction" or "WPSK Faction" in Workers' Party of Korea. He led faction's Guerilla movements in the South continue until the Korean War. After 1955 he was not seen again, and it is widely believed that he was eliminated by Kim Il-sung's security forces.