Arjunan Saakshi is a 2011 Indian Malayalam language thriller film written and directed by Ranjith Sankar. It stars Prithviraj Sukumaran and Ann Augustine in the lead roles. The film is a thriller which deals with how we evade our responsibility to society. It examines the vertical growth of Kochi both as a metro and a centre of crimes. It was produced by S. Sundararajan under the banner of S. R. T. Films and released on 28 January 2011 to a positive critical reception.