| Army Group German Crown Prince Army Group B | |
|---|---|
| Heeresgruppe Deutscher Kronprinz | |
 Seal | |
| Active | 1915–1918 |
| Disbanded | 11 November 1918 |
| Country |  German Empire |
| Branch |  Imperial German Army |
| Engagements | World War I |
| Commanders | |
| Supreme Commander | Wilhelm of Prussia |
The Army Group German Crown Prince or Army Group B (German : Heeresgruppe Deutscher Kronprinz) was an Army Group of the German Army, which operated on the Western Front under command of Wilhelm, German Crown Prince, between 1 August 1915 and 11 November 1918 during World War I.