Troll Factory (Korean: 댓글부대) is a 2024 South Korean crime thriller film directed and written by Ahn Gooc-jin, and starring Son Suk-ku, Kim Sung-cheol, Kim Dong-hwi, and Hong Kyung. Based on the novel of the same Korean name by Chang Kang-myoung, a work based on the National Intelligence Service's illegal election intervention case. The film is about a public opinion manipulation company that infiltrates Internet sites and manipulates public opinion by leaving malicious comments. It was released on March 27, 2024.