Sircar is the surname of:
Birendranath Sircar (1901–1980), Indian film producer and the founder of New Theatres, CalcuttaDineshchandra Sircar (1907–1985), Indian epigraphist, historian, numismatist and folkloristJoydeep Sircar (b. 1947), Indian mountaineer and mountaineering historianNilratan Sircar (1861–1943), Indian doctor, educationist, philanthropist and swadeshi entrepreneurShoojit Sircar, Indian film director and producer