Usha Ganguli (1945 – 23 April 2020) was an Indian theatre director-actor and activist, most known for her work in Hindi theatre in Kolkata in the 1970s and 1980s. She founded Rangakarmee theatre group in 1976, known for its productions like Mahabhoj, Rudali, Court Martial, and Antaryatra. Apart from thespian Shyamanand Jalan of Padatik (established 1972), she was the only other theatre director to practise Hindi theatre in Kolkata, which is largely Bengali speaking.