Rajagopala Kulashekharan or R. K. Shekhar (21 June 1933 – 09 September 1976) was an Indian music composer who worked mainly for Malayalam movies. He composed music for 52 films (23 in Malayalam with 127 songs), and was the music conductor for more than 100 films. He is the father of music composers and singers A. R. Rahman and A. R. Reihana. His grandsons G. V. Prakash Kumar and A. R. Ameen are also involved in music production.