If you dream that you are being punished by hanging, you could be feeling guilty about something.
Because hanging is sometimes associated with vengeance and vigilantism, rather than justice, a dream that you are being hanged can mean that you feel that you are being punished unfairly.
You could feel that you are being blamed for the actions of another.
If you dream that you are sentenced to be hanged, you may feel that you have made a bad choice and will not be able to avoid the consequences of your decision.
A dream that you witness someone else being hanged can mean that you are repressing anger toward someone in your life.
Watching someone being hanged can be a message that you are allowing another person to suffer needlessly. You should do something to try to improve their situation.