Mohammed Aamir Hussain Khan (pronounced ; born 14 March 1965) is an Indian actor, film director and producer who works in Hindi films. Through his career spanning over 30 years, Khan has established himself as one of the most notable actors of Indian cinema. Khan is the recipient of numerous awards, including nine Filmfare Awards, four National Film Awards, and an AACTA Award, with one of his film productions also receiving an Academy Award nomination. He was honoured by the Government of India with the Padma Shri in 2003 and the Padma Bhushan in 2010,and received an honorary title from the Government of China in 2017.

Aamir Khan first appeared on screen as a child actor in his uncle Nasir Hussain's film Yaadon Ki Baaraat (1973). As an adult, his first feature film role was in Holi (1984). He began a full-time acting career with a leading role in Qayamat Se Qayamat Tak (1988). His performance in Raakh (1989) earned him a National Film Award in the Special Mention category. He established himself as a leading actor in the 1990s by appearing in a number of commercially successful films, including Dil (1990), Raja Hindustani (1996) for which he won his first Filmfare Award for Best Actor, and Sarfarosh (1999).

In 1999, he founded Aamir Khan Productions, whose first film, Lagaan (2001), was nominated for the Academy Award for Best Foreign Language Film, and earned him a National Film Award for Best Popular Film and two more Filmfare Awards (Best Actor and Best Film). His performance in Dil Chahta Hai (2001) also received appreciation. After a four-year hiatus, Khan returned to appear in leading roles, notably in Fanaa (2006) and Rang De Basanti (2006). He made his directorial debut with Taare Zameen Par (2007), which won him the Filmfare Awards for Best Film and Best Director. Khan's biggest commercial successes came with Ghajini (2008), 3 Idiots (2009), Dhoom 3 (2013), PK (2014), and Dangal (2016), each having held the record for being the highest-grossing Indian film. Khan won his third Best Actor award at Filmfare for Dangal.

He has a large followings especially in India and China, and has been described by Newsweek as "the biggest movie star" in the world. He has been regularly listed among The 500 Most Influential Muslims of the world. He also created and hosted the television talk show Satyamev Jayate. His work as a social reformer earned him an appearance on the Time 100 list of most influential people in the world in 2013.