Election 2 (literal title: Black Society: Harmony is a Virtue), also known as Triad Election in the United States, is a 2006 Category III Hong Kong crime film directed by Johnnie To with a large ensemble cast including Louis Koo, Simon Yam and Nick Cheung. A sequel to the 2005 film Election, the film concludes the events of the first film centring on triad boss Lok, who struggles to get re-elected as his two-year term approaches its end. He faces competition from Jimmy, who wants to retire from the triad to be a legitimate businessman, but gets drawn into the conflict surrounding the election.

Election 2 enjoyed box office success in Hong Kong and being shown as an "Official Selection" at the 2006 Cannes Film Festival. Afterwards, it became a popular hit on the international festival circuit.

Stephen Teo, author of Director in Action: Johnnie To and the Hong Kong Action Film (2007), wrote that "Election 2 is the most directly political film made in Hong Kong in the post-97 era."