Vinodhini Vaidyanathan is an Indian actress and writer who has mainly worked in Tamil cinema and theatre. She made her debut in A. R. Murugadoss's Engaeyum Eppothum portraying Ananya's sister. She is best known for her performances in OK Kanmani (2015), Appa (2016), Aandavan Kattalai (2016), Ratsasan (2018), Comali (2019), Game Over (2019), Ponmagal Vandhal (2020) and Soorarai Pottru (2020), Ponniyin Selvan: I (2022) and Ponniyin Selvan: II (2023).

Engaeyum Eppothum is a 2011 Indian Tamil-language romantic comedy drama road film written and directed by M. Saravanan in his Tamil debut, he had earlier directed the Telugu film Ganesh (2009). Starring Jai, Sharwanand, Anjali and Ananya, it was produced by A. R. Murugadoss in association with Fox Star Studios, marking the studio's entry into Tamil cinema.