S. Siddalingaiah (1936 – 12 March 2015) was an Indian film director and writer in the Kannada film industry. He made his directorial debut in 1969 with Mayor Muthanna. He directed films including Bangaarada Manushya (1972) and Bhootayyana Maga Ayyu (1974). He frequently starred actor Rajkumar.In 1993–94, he was awarded the Puttanna Kanagal Award for his contribution to the Kannada film industry as a director.