Biswajit Das (born 11 April 1967) is an Indian politician from the Trinamool Congress party. In May 2021, he was elected as a member of the West Bengal Legislative Assembly from Bagdah constituency. He ran for the office as a member of the Bharatiya Janata Party and defeated Paritosh Kumar Saha of TMC by 9,792 votes in 2021 West Bengal Assembly election, but returned to TMC later in 2021.
In 2011 & 2016, he was elected to the West Bengal Legislative Assembly from Bangaon Uttar as All India Trinamool Congress candidate before joining Bharatiya Janata Party in 2019.