Couch is a surname. "Couch" has two different origins: it is a Cornish name thought to have derived from Cornish "cough" (red) and to have been a nickname for a redheaded man (the usual Cornish pronunciation is "cooch"); there is also an English name Couch which probably originated as a name for a maker of beds or bedding. The English name Couch has the variant forms Coucha, Couche, Coucher, Couchman and Cowcha.
Notable people with the surname include:
Arthur Quiller-Couch, British writer and professor of literature, grandson of Jonathan CouchCharles Couch (1833-1911), American politicianDarius Nash Couch, American soldier, businessman, and naturalistEthan Couch, North Texas teenager convicted of killing four pedestriansHarvey C. Couch, Arkansas energy entrepreneur and businessmanJane Couch, British woman boxerJohn H. Couch, American sea captain and pioneer in the Oregon Country in the 19th centuryJonathan Couch, British naturalistMal Couch (1938–2013), American Christian writerRichard Quiller Couch, British naturalist, son of Jonathan CouchTim Couch, former NFL quarterbackTonia Couch, British Olympic diverWarrick Couch, Australian astronomer