Worker's Truth (Rabochaya Pravda) was Russian socialist opposition group which was founded in 1921. They published Rabochaya Pravda, an eponymous newspaper, which first appeared in September 1921. Their programmatic statement (the "Appeal/Message to the revolutionary proletariat and all the revolutionary elements who remained faithful to the struggling working class") appeared in the Berlin-based Menshevik journal Sotsialisticheskii Vestnik in January 1922.