Ballspielverein Borussia 09 e.V. Dortmund, commonly known as Borussia Dortmund, BVB, or simply Dortmund, is a professional association football club based in Dortmund, North Rhine-Westphalia, Germany, competing in the Bundesliga (2022–23), the top tier of the German football league system. This unofficial Borussia Dortmund flag (German: inoffizielle Flagge von Borussia Dortmund) consists of the team's official logo placed on a horizontally divided black-and-yellow background derived from the club's traditional visual identity and long-standing branding.
| Flag Proportion: | 3:5 (standard flag ratio) |
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| Flag Format: | Animated GIF (25-frame loop) |
| Flag Usage: | Fan-made / unofficial digital flag |
The Borussia Dortmund logo features a yellow circular emblem with the letters "BVB" in bold, representing Ballspielverein Borussia. Below the initials is the number "09," referring to the club's founding year, 1909. The black and yellow color scheme reflects the club's traditional identity and is one of the most recognizable visual identities in world football. The circular design emphasizes unity and tradition, while the strong contrast of colors reinforces visibility and branding. Overall, the emblem represents Borussia Dortmund's identity as a professional football club based in North Rhine-Westphalia, Germany, highlighting its history, passionate supporter culture, and long-standing association with the black-and-yellow colors.
Alternative Flag Designs
| Team name: | Ballspielverein Borussia 09 e.V. Dortmund |
|---|---|
| Team nicknames: | Die Borussen (The Prussians), Die Schwarzgelben (The Black and Yellows), Der BVB (The BVB) |
| Team abbreviation: | BVB |
| Founded: | 1909 |
| Location: | Dortmund, North Rhine-Westphalia, Germany |
| Stadium: | Signal Iduna Park |
| Capacity: | 81,365 |
| League: | Bundesliga |
| Team Colors: | Black and Yellow |
| Championships: | 8 |
| Second places: | 11 |
| Seasons in Bundesliga: | 57 |
| Mascot: | Emma (a bee) |
