Helen Nelson, (born 29 April 1991) better known professionally by her stage name Oviya, is an Indian model and film actress who has worked predominantly in the Tamil and Malayalam film industry. She made her breakthrough as an actress in Sarkunam's rural romantic comedy Kalavani (2010), before appearing in other critically acclaimed films including Pandiraj's Marina (2012), Moodar Koodam (2013) and Madha Yaanai Koottam (2013).