Couch
The taxon authority Couch may refer to:
- Brett C. Couch (19..–, B.C.Couch), U.S. botanist, and mycologist
- Darius Nash Couch (1822–1897, D.N.Couch), U.S. naturalist
- John Nathaniel Couch (1896–1986, Couch), U.S. botanist, and mycologist
The taxon authority Couch may refer to: