Lailaa O Lailaa is a 2015 Indian Malayalam-language action spy thriller film directed by Joshiy. It stars Mohanlal and Amala Paul alongside a supporting cast of Sathyaraj, Joy Mathew, Sreerag Nambiar, Rahul Dev and Kainaat Arora. Bollywood screenwriter Suresh Nair debuted in Malayalam as writer in the film. The original soundtrack and background score were composed by Gopi Sunder.

The film introduced the state's first equity crowdfunding model of film production, being produced by Santhosh Kottayi, Bijou Antony, and Preeta Nair under the banner Finecut Entertainments Pvt Ltd in association with Aashirvad Cinemas.Principal photography began at the end of August 2014. The first schedule was in Kochi, Goa and Mysore; the second schedule was in Bangalore; and the final schedule was at Kochi, Bangalore and Bellary. The film was originally scheduled for a 110-day shoot and was completed within a span of 7 months. The film was dubbed and released in Tamil as Murugavel, Telugu as Iddaru Iddare.

The film was released in theatres across India on 14 May 2015, and met with generally received negative reviews from critics.