A deer in a dream can symbolize your vulnerable side.
If you dream that you have killed a deer, the dream could be a warning you that you might be hurting someone unnecessarily.
Chasing a deer in a dream can symbolize overcoming a fear.
A stag is a symbol of male sexual energy and strength.
A stag can also represent a man that you admire.
Dreaming of a herd of deer can indicate that you are thinking about where you stand in relation to others.