Amir Khan (born 8 December 1986) is a British professional boxer, promoter and philanthropist. He is a former unified light-welterweight world champion, having held the WBA (later Super) title from 2009 to 2012, and the IBF title in 2011. At regional level, he held the Commonwealth lightweight title from 2007 to 2008. He also held the WBC Silver welterweight title from 2014 to 2016, and once challenged for a middleweight world title in 2016.

As an amateur, Khan won a silver medal in the lightweight division at the 2004 Olympics, becoming at the age of 17, Britain's youngest boxing Olympic medalist. He is also one of the youngest ever British professional world champions, winning the WBA title at the age of 22. In 2007, he was named ESPN prospect of the year.

Outside of boxing, he is a philanthropist with his own charity organisation, Amir Khan Foundation. He is also a promoter and sponsor, the owner of Khan Promotions and Pakistan's Amir Khan Academy, and a co-owner of India's Super Fight League (MMA) and Super Boxing League. As a celebrity, he has also participated in several game shows. In 2017, Khan appeared on the seventeenth series of I'm a Celebrity... Get Me Out of Here!; he was the highest-paid contestant in the history of the show