N. J. Nandini is a renowned Carnatic music vocalist from Thiruvananthapuram, Kerala. She comes from a musical family, with her grandfather, Vechoor N Hariharasubramania Iyer, being a well-known Carnatic vocalist and teacher. She has been trained by eminent gurus such as Prof. Parassala Ponnammal, Prof. P. R. Kumarakerala Varma, Dr. S. Bhagyalakshmi, and Dr. M. N. Moorthy.

Nandini has been active in the music scene since 2004 and has performed in several concerts both in India and abroad. She has received numerous awards, including the Chembai Puraskaram, the Isai Chudar title, and the M. S. Subbulakshmi fellowship at a young age. Nandini is also known for her contributions to various devotional albums, documentaries, and stage shows.