The Lieutenant of Inishmore is a black comedy by Martin McDonagh, in which the 'mad' leader of an Irish National Liberation Army splinter group discovers that his cat has been killed. It has been produced twice in the West End and on Broadway, where it received a Tony Award nomination for Best Play. In 2014, The Lieutenant of Inishmore was ranked in The Daily Telegraph as one of the 15 greatest plays ever written.

Martin Faranan McDonagh is a British-Irish playwright and filmmaker. He is known for his absurdist black humour which often challenges the modern theatre aesthetic. He has received numerous accolades including an Academy Award, six BAFTA Awards, four Golden Globe Awards, three Olivier Awards, and nominations for five Tony Awards.