is there an organization called antifa

There is no single, formal organization called "Antifa." Instead, Antifa refers to a loosely structured, decentralized, and leaderless collective of activist groups and individuals primarily in the United States who oppose fascism, white supremacy, and far-right ideologies. It is not a single entity or organization but rather a movement made up of autonomous groups with similar anti-fascist goals, using a range of tactics from peaceful protest to direct action, which can sometimes be confrontational. Antifa is short for "anti-fascist" and consists mainly of left-leaning activists, including anarchists, communists, and socialists. It does not have a centralized headquarters or formal leadership, and membership is informal and fluid. The movement has been the subject of political controversy and criticism, including recent claims by former President Trump labeling it as a terrorist organization, though legally such a designation faces significant challenges due to Antifa's decentralized nature and lack of formal organization.