The Brazilian Communist Party (PCB, Partido Comunista Brasileiro) is a Brazilian political party that defines itself as a party of militants and revolutionary cadres that are formed in the class struggle, in the organization of the proletariat, and in the study of the works of Karl Marx and Friedrich Engels. Its theoretical basis for practical action is marxism-leninism, which is based on the principles developed by Vladimir Lenin.
Its symbol, according to its statutes, "is a sickle and a hammer, crossed, symbolizing the worker-campesino alliance, under which the legend "Brazilian Communist Party" is written. Its electoral code number is 21. In October 2020 it had 12,754 affiliates according to the Supreme Electoral Court, although the vast majority of its militants are not officially registered.