Sunaina is an Indian film actress and model. She predominantly works in Tamil movies as well as few Telugu, Malayalam and Kannada languages. She was made her on-screen debut with Telugu film Kumar Vs Kumari (2005) and her Tamil debut Kadhalil Vizhunthen (2008).
Sunainaa's start to fame was by starring Nakul in Kadhalil Vizhunthen (2008) which was her first Tamil début. She also did a guest appearance in Sivaji movie, Those scenes were eliminated on screening. She also did Maasilamani (2009) in Tamil cinema and continued with a performance oriented films where she secured her first Filmfare nomination for Neerparavai (2012). she played the role of Esther. Her performance was critically praised that she was nominated for the Filmfare Award for Best Actress – Tamil.
After that she appeared in films like Samar (2013), Vanmam (2014) and she gave a guest appearance opposite to Vijay in Theri (2016). she continued with Nambiyaar (2016), Kavalai Vendam (2016), Thondan (2017). In 2018, she acted in the drama film Kaali
starring Vijay Antony and Anjali. The romantic thriller vampires web series Viu original in Nila Nila Odi Vaa (2018) from 24 July to 5 September 2018 .