To see twins in your dream, signifies ambivalence, dualities and opposites.

It also represents security in business, faithfulness, and contentment with life.

It may also mean that you are either in harmony with or in conflict between ideas and decisions.

To see twins fighting in your dream, represents a conflict between the opposites of your psyche.

One twin signifies emergence of unconscious material and suppressed feelings, while the other twin represents the conscious mind.

There is some situation that you are not confronting.