Arun Shankarrao Sarnaik (4 October 1935 – 21 June 1984) was an Indian actor and singer from Kolhapur, Maharashtra.

He entered the acting profession in 1956 as a stage actor in the Marathi play Bhatala Dili Osri by Mo.

Later, he acted in few films like "Vardakshina" by Dinkar D Patil and "Vithu maza lekurwala" by Datta Dharmadhikari.

His role of Chief Minister in the movie Sinhasan (1979) which was directed by Jabbar Patel was a milestone for the Marathi film industry.

Arun Sarnaik died in a road accident on 21 June 1984 along with his wife and one of his two children while he was going from Kolhapur to Pune.