Subramanian Jaya Jananiy, also known as Cuddalore Janani and S. J. Janani, is an Indian musician, singer-songwriter, multi-instrumentalist and composer based in Chennai, Tamil Nadu. She was bestowed with National Child Award for Exceptional Achievement in 2001 by Government of India. Jananiy was also awarded with Kalai Ilamani Award in 2003 by Government of Tamil Nadu. Jananiy is trained in Carnatic classical music, Hindustani classical music and Western Classical Music. She is also a keyboardist and pianist and plays violin, veena and guitar for studio recording. Jananiy is a B HIGH Grade Artiste at All India Radio.

Jananiy was born in Tirunelveli, Tamil Nadu, to Shanti and V. Subramanian. She completed her education up to ninth grade at St. Mary's Matriculation Higher Secondary School, Cuddalore where she was awarded with Best Vocalist Award each year. While at St. Mary's Matriculation, Jananiy was also nominated for Pogo Amazing Kid Award conducted by Pogo TV at national level in music category.