SP. Muthuraman (born 7 April 1935) is an Indian film director who works in the Tamil film industry. He has directed nearly 75 films in Tamil. He was one of the most successful commercial directors in Tamil cinema. Initially he worked mainly with Sivaji Ganesan, Jaishankar and Kamal Haasan.
In the late 1970s, his association with Rajinikanth proved to be extremely successful, as they went on work together in 25 films. Muthuraman was mainly responsible for moulding Rajini's career and turning him into a commercial star.
He has received two South Filmfare Awards and a Best Director award from the Tamil Nadu State Government. He was also the associate producer of the Rajinikanth starrer Sivaji.