Holiday: A Soldier Is Never Off Duty is a 2014 Indian Hindi-language action thriller film written and directed by A. R. Murugadoss, starring Akshay Kumar as an army officer. It also stars Sonakshi Sinha, Freddy Daruwala, Sumeet Raghavan and Govinda in a special appearance. It is an official remake of Murugadoss' own 2012 Tamil film Thuppakki and follows an Indian Army officer who arrives in Mumbai on vacation and sets out to hunt down the terrorist leader of a sleeper cell network and deactivate the sleeper cells operating under his command.

Kumar revealed that the story was signed by his Hari Om Entertainment after listening the first action sequence of the film by Murugadoss even before the script was fully written. He let Murugadoss to make the film in Tamil due to his dates issues, which later became Thuppakki. Although film's production commenced in 2013 with the working title of Pistol under the banner of Hari Om Entertainment and Sunshine Pictures.

The film was released worldwide on 6 June 2014. Made on a budget of ₹500 million, The film received generally positive reviews from the critics, particularly for Kumar's performance, writing and action sequences. It proved to be one of the top grossing Bollywood film of 2014. with worldwide earnings of over ₹178.4 crore.At Filmfare Award, Kumar was nominated for Best Actor.