Ae Dil Hai Mushkil (transl. O Heart, It Is Difficult) is a 2016 Indian Hindi-language musical romantic drama film directed, produced and written by Karan Johar under his banner Dharma Productions. The film stars Ranbir Kapoor, Anushka Sharma and Aishwarya Rai in the lead roles.

Ae Dil Hai Mushkil released worldwide on 28 October 2016 coinciding with the festival of Diwali. The film's soundtrack composed by Pritam was an instant blockbuster, thus enhancing its hype, with lyrics written by Amitabh Bhattacharya and songs sung by Arijit Singh. Despite having clashed with Ajay Devgn's Shivaay, it went on to gross ₹237.56 crore (US$27 million) worldwide. The film proved to be one of the year's top-grossing films in domestic and overseas markets. It received mixed reviews from critics upon release, with praise for its direction, music, cinematography, and performances of the cast, with particular praise directed towards Sharma, Kapoor and Rai’s performances, but the story and screenplay received criticism.

At the 62nd Filmfare Awards, Ae Dil Hai Mushkil received a leading 9 nominations (tying with Udta Punjab) for Best Director (Johar), Best Actress (Sharma) and Best Actor (Kapoor), and won 4 awards, including Best Music Director (Pritam), Best Lyricist (Bhattacharya for "Channa Mereya") and Best Male Playback Singer (Arijit Singh for "Ae Dil Hai Mushkil").