Semaoen (1899–1971), also spelled Semaun, was the first chairman of the Communist Party of Indonesia (PKI) and was a leader of the Semarang branch of the Sarekat Islam.
Semaoen (1899–1971), also spelled Semaun, was the first chairman of the Communist Party of Indonesia (PKI) and was a leader of the Semarang branch of the Sarekat Islam.