Aberdeen Football Club (also known as The Dons, The Reds, or less commonly The Dandies (from Dandy Dons)) are a Scottish professional football team based in Aberdeen. They compete in the Scottish Premier League and are one of the most successful Scottish teams, having won four Scottish League titles and seven Scottish Cups as well as being the only Scottish team to have won two European trophies.

Formed in 1903 due to the amalgamation of three clubs from Aberdeen, they rarely challenged for honours until the 1950s, when they won each of the major Scottish trophies under manager Dave Halliday. This level of success was surpassed in the 1980s, when, under the management of Alex Ferguson, they won three league titles, four Scottish Cups and a Scottish League Cup, alongside the European honours. Aberdeen's league record is jointly the third-best alongside Hibs and Hearts, and they were the last club outside of the Old Firm to win a league title, in 1984-85.

Aberdeen have played at Pittodrie Stadium since their inception. The ground currently has a capacity of 22,199 and was the first all-seated and all-covered stadium in the UK. Pittodrie was also the first football stadium to feature a 'dug-out', an invention of player and coach Donald Colman. The club's colours have been primarily red and white since 1939; prior to this, they played in black and gold vertical stripes.

Having been historically the only senior team within a wide area, Aberdeen have tended to attract a sizeable support from the city and surrounding areas. This has been eroded somewhat in recent years, but a loyal core support remains, and important games still often sell out the stadium. Aberdeen have no geographically close rivals; their nearest neighbours at the same level are in the city of Dundee, with Dundee United having been their principal rivals in the New Firm in the 1980s. Rangers supplanted Dundee United as rivals in the late 1980s, but the rivalry, while fierce, does not approach that of the Old Firm.