Singham is a 2011 Indian Hindi-language action film directed by Rohit Shetty and produced by Reliance Entertainment, based on a script by writers Yunus Sajawal and Farhad-Sajid. It serves as first installment of Shetty's Cop Universe. A remake of the 2010 Tamil film of the same title by Hari, the film stars Ajay Devgn in the lead role as a police officer named Bajirao Singham alongside Kajal Aggarwal and Prakash Raj who reprises his role as in the original.

It was theatrically released in India on 22 July 2011 with a strong box office response; the film earned ₹876 million in India on the first day and a worldwide total of ₹1.57 billion against a ₹410 million budget, becoming a box-office blockbuster.

After the film's success at the box office, Devgn and Shetty collaborated for the sequel Singham Returns (2014). Devgn reprised his role in Shetty's directorials Simmba (2018) and Sooryavanshi (2021) which together form Shetty's Cop Universe.