Jayanthi Rangarajan, daughter to Saroja and M.R Krisnawamy, is an Indian classical vocalist based out of Bengaluru. Jayanthi, born in the South Indian metropolis of Chennai, was naturally inclined to music from a young age, with her mother, Late Smt. Saroja Krishnaswamy, playing her first guru.

he was tutored in the Carnatic style of music by Late. Shri. N.R Seethapathy, disciple of Sangeetha Kalanidhi Chitoor Shri. Subramania Pillai.  Her earliest foray into music was at the age of 11, when she performed at the renowned Mylapore Shri. Karpagamba Kapaleeshwarar temple in Chennai. After the demise of Mr. Seetthapathy, Sangeetha Kalanadhi D.K. Paattamal subsequently took Jayanthi under her wing to impart knowledge on the finer nuances of the craft and performance. 

She undertook advance training in Dasaru Padagalu under Sangeetha Kalanidhi Shri. RK Srikantan after moving to Bengaluru. She is a graded artist in DOORDARSHAN and ALL INDIA RADIO and an expertise in Azhwar Pasurams.

In a career-spanning over 40 years, Jayanthi has performed in wide-ranging venues and music festivals around the world. Her singing has been termed  imaginative yet deep-rooted in the vintage notions of Carnatic music sans the gimmicks   and has received wide-spread acclaim and media coverage with notable music reporters such as Subbuddu, NM Narayanan, Tyagu, Malavika, Ranjani Swaminathan and SVK praising her for eclectic range of singing.

Jayanthi has also received numerous honours and titles for her contributions to music, including Ganavarshini 
Amirtha Geetham, Then Isai Chudar  and Suzhal Isai Mamani   and more. She has also recorded   Rare Kritis  albums for music labels such as T-series and Sargam Cassettes. More recently, she recorded an assortment of Azhwar Pasurams titled  Thiru Venkata Pamalai   for  Pathway Productions.