Santhosh Narayanan is an Indian film composer and musician in the Tamil film industry. He made his debut as a film composer in the 2012 Tamil film Attakathi.
Santhosh Narayanan was born in Srirangam (Trichy), India. He is the youngest of two children. He was educated at RSK Higher Secondary School, Tiruchirappalli. Santhosh Narayanan completed his B.E., Computer Science & Engineering at J. J. College of Engineering and Technology, Tiruchirapalli. After completing his education, He worked as a recording engineer, arranger and programmer, before beginning to produce independent music and compose for films. He composed the music including two original soundtracks for the critically acclaimed Telugu short film Advaitham, He was also part of the contemporary folk music band "La Pongal" in which he performed in a few live shows in 2009.