The 1925 FA Cup final was an association football match contested by Sheffield United and Cardiff City on 25 April 1925 at Wembley Stadium in London, England. The final was the showpiece match of English football's primary cup competition, the Football Association Challenge Cup, organised by the Football Association. Sheffield United won the game with a single goal.

Sheffield United Football Club is a professional football club based in Sheffield, South Yorkshire, England. The club competes in the Premier League, but will play in the 2024–25 EFL Championship following their relegation from the 2023–24 Premier League. They are nicknamed "the Blades" due to Sheffield's history of cutlery production. The team have played home games at Bramall Lane since their formation. For most of the club's history, United have played in red and white striped shirts with black shorts. Their main rivals are Sheffield Wednesday, with whom they contest the Steel City derby.