Upendrakishore Ray Chowdhury (Bengali: ????????????? ??????????), born Kamadaranjan (???????????) (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.
Upendrakishore Ray Chowdhury was a product and leading member of the Brahmo Movement that spearheaded the cultural rejuvenation of Bengal.
He collaborated with the Tagores, who were world renowned in the arts.
As a writer he is best known for his collection of folklore; as a printer, he pioneered in India in the art of engraving and was the first to attempt color printing at the time when engraving and color printing were also being pioneered in the West.