The Order of Nine Angles (O9A or ONA) is a secretive, decentralized esoteric movement founded in the United Kingdom in the 1970s. It is widely categorized by law enforcement and researchers as a dangerous neo-Nazi and accelerationist organization. Core Ideology

Members are encouraged to infiltrate institutions—such as the military, police, or religious organizations—for 6–18 months to destabilize them from within and gain "sinister" experience.

In recent years, the ONA has undergone significant changes, with Anton Long reportedly withdrawing from public life and the group becoming more decentralized and diffuse.

The O9A operates through the distribution of underground texts rather than a central leadership. Common titles mentioned by researchers and found on Amazon include:

The ONA has been associated with various controversies and criticisms over the years, including: