1921 AAA Championships

The 1921 AAA Championships was the 1921 edition of the annual outdoor track and field competition organised by the Amateur Athletic Association (AAA). It was held from 1–2 July 1921 at Stamford Bridge in London, England. The attendance was between 15,000 and 20,000 and the championships received a record entry of athletes.

The Championships consisted of 21 events and covered two days of competition.