Sunaina (born 17 April 1989) is an Indian film actress and model. She predominantly works in Tamil movies as well as few Telugu, Malayalam and Kannada languages. She made her on-screen debut with Telugu film Kumar Vs Kumari (2005) and her Tamil debut Kadhalil Vizhunthen (2008).

Sunaina Launched Tea Trails in Anna Nagar, Chennai.

Sunainaa's start to fame was by starring Nakul in Kadhalil Vizhunthen (2008) which was her first Tamil début. Prior to that, she shot for a short scene in Sivaji (2007), which did not make the final cut and were deleted. She later starred in Maasilamani (2009) 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 .