Gagan Kumar Chattopadhyay is a scholar of Vedic studies who has worked on the Samaveda. He is the author of सामवेदः (कौथुमशाखीयगानार्थिकपदस्तोभः) (Samaveda: Koutumasakhiya Ganarcikapa Dastobhah), a work focusing on the Kauthuma school of the Samaveda.