S. A. Natarajan (12 January 1918 – 7 August 1979) was an Indian actor, who was active in Tamil movies during the 1950s.

He was a prominent lead actor and villain during early 1935 who started as a street wise drama artist, stage performer entering the industry.

He acted in more than 30 movies in the Tamil language, and had his own production company named Forward Fine Films.

He moved to Chennai in 1935, and started his early career as a street-wise drama artist, then became a drama artist and finally he entered the cinema industry.

[citation needed] Natarajan had a large family in India.