Sivaangi Krishnakumar (born 25 May 2000) is an Indian actress, comedian playback singer and television personality. In 2019, she participated in the Tamil singing competition Super Singer 7, which aired on Star Vijay. In 2020, she appeared in the comedy-cooking show, Cooku With Comali, which gained her popularity. She is the daughter of Kalaimamani award-winners Dr. K. Krishnakumar and Binni Krishnakumar. She has acted in films such as Don (2022), Naai Sekar Returns (2022) and Shot Boot Three (2023). She made her debut as a singer in the Malayalam film Boyy Friennd (2005) with the song "Omane".
Sivaangi was born in Thiruvananthapuram, Kerala to Tamil father Krishnakumar and Malayali mother Binni Krishnakumar, both carnatic singers.
In 2019, Sivaangi made her appearance as a contestant in an Indian Tamil-language reality television singing competition, Super Singer 7, which aired on Vijay TV.
She later was a part of the comedy cooking show Cooku With Comali that aired on Star Vijay. Sivaangi received a well reception across the audiences from becoming a lovable child to the homes of the viewers. She became a popular artist of the time the show released among Children and young audience.
In 2020, Sivaangi made her acting debut in the comedy web series Dear-u Brother-u which was widely viewed during the COVID quarantines.
In 2021, Sivaangi sang "Asku Maaro" with Dharan Kumar, and also made a cameo appearance. Later, in May of that year, she sang "Talku Lessu Worku Moreu" for the movie Murungakkai Chips, alongside Sam Vishal. She later sang on the song "Adipoli", alongside Vineeth Sreenivasan, released as an Onam special.
After her appearance in Cooku with Comali, she was cast in the Tamil film Don, which also marks her acting debut. She was also cast in the movie Naai Sekar Returns (2022), alongside actor Vadivelu. She appeared in a prominent role, alongside Shiva and Priya Anand, in the 2023 film Kasethan Kadavulada.
Sivaangi made her debut as a show anchor in the digital space with the talk show Sing with Sivaangi, which premiered on January 13, 2020, on the Media Masons YouTube channel. The show featured light-hearted conversations with celebrity guests.
She later made her television debut as a full-fledged anchor in the game show Naanum Rowdy Dhaan, which aired on Sun TV in 2025.
She was listed by the Indiaglitz website as the "[Most] Desirable Woman on Television [in] 2020".