To dream of aliens represents aspects of your personality that are unfamiliar, unknown, or unusual. An alien may also represent a situation in your life that you can’t do anything about. You may also be observing, or experiencing things that are not normal for you. Things that may be hard to explain or understand.
To dream of being an alien represents your feelings of being an outsider, being unaccepted, or misunderstood. You may feel like you don’t belong, or can’t fit in.