Radhika Sarathkumar is an Indian actress, producer, politician, and entrepreneur. She is known for her work in Tamil and Telugu cinema and Kannada, Hindi, and Malayalam cinema. Sarathkumar (also known as Raadhika) grew up in Chennai, India, and completed her education in India and the United Kingdom.

Sarathkumar made her debut in 1978 with the Tamil film Kizhake Pogum Rail (1978), which was directed by Bharathiraja and starred Goundamani and Janakaraj, after which she acted in numerous other films in different languages, with prominent directors like Priya V. and Raj Kapoor, along with actors such as Manobala, Sandhya, Raghuvaran and others.

Sarathkumar has also worked on several projects as a producer, such as Meendum Oru Kadhal Kadhai (2016). Her other works in acting include Nyayam Kavali (1981), which got her the Best Telugu Actress award, Dharma Devathai (1986), Needhikku Thandanai (1987) and Keladi Kanmani (1990).

Sarathkumar has also been a part of the small screen in TV serials like Ammayi Kaapuram (2008) and Chithi 2 (2020). Furthermore, Sarathkumar has also been a judge on Vijay TV's reality show Jodi Number One Season 5 (2011). She has also produced several daily soaps, including Idi Katha Kaadu (2020), Chitthi (2003), Annamalai (2002), Chellamay (2009), Vani Rani (2013), Thamarai (2014) and Chithi 2 (2020).