Gangadhar Balkrushna Sardar (Devanagari: गंगाधर बाळकृष्ण सरदार) (1908–1988) was a Marathi writer from Maharashtra, India. He was born at Jawhar in Palghar district, a tribal region. He served as the head of Marathi department of SNDT Women's University. He chaired the Akhil Bharatiya Marathi Sahitya Sammelan which was held at Barshi in 1980.