Here is a comprehensive summary of the Borussia Dortmund 2025–26 season:

Borussia Dortmund marked their 117th season in existence and celebrated a remarkable 50th consecutive campaign in the top flight of German football during the 2025–26 season. The club competed on three fronts: the Bundesliga, the DFB-Pokal, and the UEFA Champions League, with the league fixtures officially announced on 27 June 2025. Key scheduling milestones included the DFB-Pokal first-round draw on 15 June 2025, the Champions League league-phase draw on 28 August 2025, and the knockout phase play-off draw on 30 January 2026. The squad, as of 26 January 2026, featured a mix of international players, with several transfers in and out during the window, alongside pre-season friendlies to build form. Throughout the season, the club tracked detailed statistics including appearances, goals, assists, and attendance, with the final records updated on 1 July 2026, reflecting a fully documented and competitive campaign across all competitions.