The 1927–28 KBUs Mesterskabsrække was the 40th season of the Copenhagen Football Championship since its establishment in 1889, and the 26th under the administration of Kjøbenhavns Boldspil-Union (KBU). The season was launched on 21 August 1927 with a match between BK Fremad Amager and B.93 at Københavns Idrætspark and concluded on 9 May 1928 with the final match of the regular league fixtures, with the play-off promotion/relegation match being held on 4 July 1928. B.93, playing in white shirts, started as the defending league champions from the 1926–27 KBUs season. The Copenhagen FA first-tier league ran simultaneously with the inaugural edition of the 1927–28 Danmarksmesterskabsturneringen i Fodbold, in which all of the league's teams participated. All six teams in the league, including the winners and the runners-up of the 1927–28 KBUs A-række automatically qualified for the 1928 edition of KBUs Pokalturnering, while the same teams and the third placed team of the 1927–28 KBUs A-række qualified for the 1928–29 Danmarksmesterskabsturneringen.

Boldklubben Fremad Amager is a Danish professional football club based in the district of Amager Vest, Copenhagen. As of the 2023–24 season, the club's senior men's team play in 2nd Division, the third tier of professional football in the country. The club have primarily played their home games at Sundby Idrætspark since the stadium's inauguration in 1922.