Thakin Ba Thein Tin (Burmese: သခင်ဗသိန်းတင်, 1914–1995) was a Burmese communist and the chairman of Communist Party of Burma (CPB) from 1975 to 1989. Born in Tavoy, his father was a Chinese petty trader, his mother was a Burmese. In 1931, he passed the matriculation exam and attended Rangoon University. However, he was unable to further his studies because his debt-ridden father could not afford university fees.