Sibaji Bandyopadhyay (born 16 November 1954) is an Indian author, critic, academic, theorist and performer, who writes in Bengali and English.
His interests lie in the fields of Bengali and English literature, literary theory, philosophy, feminism, sexuality, cinema and psychoanalysis.
Upon finishing his Senior Cambridge from Cambrian Hall, Dehradun in 1971, Sibaji pursued an undergraduate degree in mathematics from St. Xavier's College, Kolkata.
Sibaji began his career as a temporary lecturer in Bengali and English literature at the Government College of Art and Craft, Kolkata in 1983.
In 2013, Rituparno Ghosh cast Sibaji in his film Satyanweshi, an adaptation of Saradindu Bandyopadhyay's celebrated story from the Byomkesh Bakshi series.