The Great British Baking Show season 4 may refer to:

The Great British Bake Off series 4, broadcast as the second season of the series on PBS in the United States The Great British Bake Off series 7, broadcast as the fourth season of the series on PBS in the United States

See also The Great British Baking Show season 1 The Great British Baking Show season 2 The Great British Baking Show season 3 The Great British Baking Show season 5