Bhavatharini Raja (23 July 1976 – 25 January 2024) was an Indian playback singer. She was the only daughter of noted film composer Ilaiyaraaja and sister of Yuvan Shankar Raja and Karthik Raja.^[1] Starting her career in the 1990s, she mostly sang songs under the direction of her father and brothers. She was awarded the National Film Award for Best Female Playback Singer in 2000 for her rendition of the song "Mayil Pola Ponnu Onnu" from the film Bharathi, composed by her father Ilaiyaraaja.

Bhavatharini Raja made her debut as a singer for My Dear Kuttichathan. From then onwards, she mostly sang on albums composed by her father and brothers.

In 2001, she won the National Award for the song "Mayil Pola Ponnu Onnu" in the movie Bharathi (the music director was her father).^[2]

Bhavatharini turned music director for the 2002 film Mitr, My Friend, directed by Revathi, starring Shobhana.^[3] She then forayed into the Telugu film industry with Avuna (2003).^[4] She also composed music for Phir Milenge, also directed by Revathi, starring Shilpa Shetty, Abhishek Bachchan and Salman Khan.^[5] In June 2012, she was roped in to score the tunes for Vellachi, a village-based project.^[6]

Bhavatharini was married to an advertising executive, R. Sabariraj, son of S.N. Ramachandran.^[1] Ramachandran is a former journalist who went into publishing and started Kannan Advertising.^[1] Bhavatharani studied at Rosary Matric School in Chennai. This was followed by higher secondary school in Adarsh Vidyalaya, Peters Road, Chennai.

Bhavatharini died from cancer on 25 January 2024, at the age of 47, while being treated for the disease in Colombo, Sri Lanka. ^{[7][8][9][10]}