Impossible Things is a collection of short stories by American writer Connie Willis, first published in January 1994,[1][2] that includes tales of ecological disaster, humorous satire, tragedy, and satirical alternate realities.

Its genres range from comedy to tragedy to horror.

Like her novel Bellwether, the stories In the Late Cretaceous and At the Rialto explore aspects of scientific research.

Like All Seated on the Ground, the story Spice Pogrom involves first contact with an intelligent alien species.

Like the two-part novel Blackout/All Clear, the story of Jack involves life during The Blitz.