Sun Yee On is a prominent Chinese organized crime group, often referred to as a triad. Founded in the 20th century, it is primarily based in Hong Kong and has a significant presence in various regions, including China, Southeast Asia, and North America. The group is involved in various illegal activities, such as drug trafficking, extortion, and money laundering. The name "Sun Yee On" translates to "New Righteousness Association." The organization is known for its complex hierarchy and strong code of conduct among its members. Over the years, it has been linked to various criminal enterprises and has been the focus of law enforcement efforts in multiple countries.