Upendrakishore Ray Chowdhury (Bengali: উপেন্দ্রকিশোর রায়চৌধুরী), also known as Upendrokishore Ray (উপেন্দ্রকিশোর রায়) (12 May 1863 – 20 December 1915) was a famous Bengali writer, painter, violin player and composer, technologist and entrepreneur.He was the son-in-law of Dwarkanath Ganguly. He was the father of the famous writer Sukumar Ray and grandfather of the renowned filmmaker Satyajit Ray.