S. L. Puram Sadanandan (15 April 1928 â 17 September 2005) was an Indian playwright and film scriptwriter from Kerala, India.
In 1967, he got the first ever National Film Award for Best Screenplay for the film Agniputhri.
Sadanandan was married to Omana Sadanandan and had two sons, Jayasurya (who directed the films Speed Track, Angel John and Jack & Daniel) and Jayasoma. He died on 17 September 2005.
The Kerala Sangeetha Nataka Akademi has instituted an annual award, S. L. Puram Sadanandan Memorial Puraskaram, for recognising outstanding contributions to Malayalam theatre.