Sisir Roy (1912–1960[1]) (Bengali: শিশির রায়) was an Indian communist politician and trade unionist.
He served as general secretary of the Bolshevik Party of India and the United Trade Union Congress, and was active in organizing dock workers in Calcutta.
[1] In 1933 he founded the Calcutta Port Dock Workers Union and became its general secretary.
[1][4] Nepal Bhattacharya became the new general secretary of BPI after Roy's death.
[2] His sister, Sudha Roy, took over his post as UTUC general secretary.