P. N. Sundaram (3 November 1927 – 22 March 2010) was an Indian cinematographer who worked in over 200 films in Tamil, Telugu, Kannada, Malayalam and Hindi film industries. He started his career as a camera assistant at the Vijaya Vauhini Studios in the 1950s and later assisted A. Vincent in the field of cinematography. He was one of the founding members of Film Employees Federation of South India (FEFSI) and served as the president of the South Indian Cinematographers Association (SICA).
Sundaram has also directed a few films including seven in Malayalam. During his career he won the Tamil Nadu State Film Award for Best Cinematographer for his work in the 1968 film Uyarndha Manidhan.