Why is my forehead shaped like this and can I have it reduced? (Photos)

Everyone is different.  It may be just a random trait you inherited.  If you are concerned you can see a doctor for possible options.

Assuming you've not experienced any trauma this is an inherited characteristic. Everybody in your family does not have identical physical characteristics. Forehead contour can be improved by reducing the fullness above the brows and augmentation of the depression above that.

I am not sure if you are asking about the bump non your forehead or your hairline location. Please be more specific. Do other members of your family have similar looks?