Aishwarya Rajesh (born 10 January 1990) is an Indian actress who works primarily in Tamil films, alongside Telugu and Malayalam films. She is a recipient of four SIIMA Awards, one Filmfare Award South and one Tamil Nadu State Film Award.

Aishwarya started her career as television presenter in a comedy show called Asatha Povathu Yaaru? on Sun TV. After winning the reality show Maanada Mayilada, she was cast in the film Avargalum Ivargalum (2011) and came into prominence after starring in Attakathi (2012) portraying the role of Amudha. She has received Tamil Nadu State Film Award for Best Actress for the 2014 film Kaaka Muttai at Tamil Nadu State Film Awards. She acted in her two career breakthrough roles as Padma in Vetrimaran's Vada Chennai (2018) co-starring with Dhanush and as Kousalya Murugesan, a female cricketer in her solo film Kanaa (2018).

Her first Malayalam film was Jomonte Suvisheshangal (2017) opposite Dulquer Salmaan. She made her Hindi film debut in 2017 with Daddy opposite to Arjun Rampal. She made her Telugu film debut with Kousalya Krishnamurthy (2019), which was a remake of her 2018 movie, Kanaa.