Mark Adrian Collett (/ˈkɒlɪt/; born October 1980) is a British neo-Nazi, anti-semitic conspiracy theorist and political activist. He was formerly chairman of the Young BNP, the youth division of the British National Party (BNP), and was director of publicity for the party. Since 2010, Collett has concentrated on his online political commentary, in which he promotes white supremacy, neo-Nazism, and conspiracy theories about Jews. In 2019, Collett founded a white nationalist group called Patriotic Alternative.In 2020, he was suspended from Twitter.