Koel Mallick (born Rukmini Mallick on 28 April 1982) is an Indian film actress who appears in Bengali and Odia films.
Koel was born in Kolkata to Bengali film actor Ranjit Mallick and Deepa Mallick, of Kolkata's notable Mallick Bari of Bhowanipore (i.e., the Mallick family, which is closely associated with the powerful Barat and Gupta families), known for its Durga Puja. Koel did her schooling from Modern High School for Girls, and completed a BSc (honors) in psychology from the Gokhale Memorial Girls' College, an affiliated college of the University of Calcutta.
Mallick's screen debut was in Nater Guru – opposite Jeet. Nater Guru was a "runaway success" at the box office. The film, released in 2003, marked Mallick's entry into Tollywood. She also won her very first award for Best Actor in Leading Role Female from 4th Tele Cine Awards 2004 for Nater Guru. Nater Guru, which has Jeet in the male lead, sees Mallick playing the role of a 23-year-old girl named Monica. Since the release of Nater Guru the pair has worked together often, appearing in eleven films.