What does it mean to dream about fox?
A fox tends to mean cunning, adaptability, or someone clever you should watch, including the part of yourself that gets by on wit.
Four ways to read it
Each reading below comes from a named tradition and a cited source, so you can see where it came from and decide what fits your dream.
Freud
Freud would read a sly impulse or a deception, the wish that works in indirect ways.
After Freud, The Interpretation of Dreams (Brill trans., 1913), public domain.Jung
Jung would see the trickster, resourceful and morally double, a guide that teaches through cleverness rather than force.
Jungian concept (our summary).Modern
Continuity ties the fox to waking situations calling for cunning or caution, or to a person the dreamer senses is not straightforward.
Continuity hypothesis (our summary).Mythological
The fox is the trickster across cultures, the shape-shifting kitsune of Japan and Reynard of European fable, charming, clever, and not to be trusted lightly.
Rosmerta Publishing editorial synthesis (after Brewer).