Irina Chakraborty (, , born 1980 or 1981) is a Russian-Finnish-Indian scientist, an environmental engineer and a university instructor. She has lived in Phnom Penh, Cambodia since 2011. She was selected as one of BBC'S 100 Women in 2013 for her work with sanitation for floating villages.
Chakraborty was born in Leningrad, Soviet Union (now Saint Petersburg, Russia), to Finnish-Indian parents. She is a Finnish citizen. She studied microbiology in Finland.