Sein Myint (Burmese: ?????????) is a Burmese politician and former political prisoner In the 1990 Burmese general election, he was elected as an Pyithu Hluttaw member of parliament, winning a majority of 28,259 (55% of the votes), but was never allowed to assume his seat.In 1980, he obtained a medical degree (MBBS) from the Rangoon Institute of Medicine and ran a private clinic from 1981 to 1989.From 9 August to 30 October 1989, he was sentenced to the Bassein prison under the 1975 State Protection Act's Article 10a, for his involvement in organizing a trip by Aung San Suu Kyi to the Irrawaddy Division.
From November 1991 to January 1992, he was arrested for allegedly participating in the Karen National Union's underground movement.