Pseudis paradoxa, known as the paradoxical frog or shrinking frog, is a species of hylid frog from South America.

Echinacea paradoxa, the yellow coneflower, Bush's purple coneflower,Echinacea paradoxa United States Department of Agriculture plants profile or Ozark coneflower, is a North American species of flowering plant in the family Asteraceae.

(medicine) A phenomenon, mostly associated with Parkinson's disease, where a person who experiences severe difficulties with simple movements may perform complex movements easily.

(Latin for "contradictory animals"; cf. paradox) are the mythical, magical or otherwise suspect animals mentioned in the first five editions of Carl Linnaeus's seminal work under the header "Paradoxa".

Phyllocrania paradoxa, common name ghost mantis, is a small species of mantis from Africa remarkable for its leaf-like body.