R. Sundaramoorthy is an Indian make-up artist and actor known for his work in Tamil films apart from some Hindi and Telugu films. He is best known for his work in the film Padayappa (1999). Sundaramoorthy is notably the first make-up artist for Rajinikanth.
Sundaramoorthy began his career as an assistant to his father and grandfather. He worked as a make-up artist for several artists including Kamal Haasan, Rajinikanth, Saritha, Thiagarajan, Murali, J. P. Chandrababu, Poornima Jayaram, Sujatha, Sathyaraj and Aravind Swamy. Sundaramoorthy has worked with Rajinikanth since the beginning of the latter's career starting with Apoorva Raagangal. He continued working with Rajinikanth for his 100th film Sri Raghavendrar (1985), and went on to win the Tamil Nadu State Film Award for Best Make-up Artist for his work in Padayappa. Sundaramoorthy continued working with Rajinikanth until Chandramukhi (2005). He was a frequent collaborator with K. Balachander and Mani Ratnam.