Crowther is a surname, derived from the old Welsh musical instrument the crwth. Notable people with the surname include: * Arnold Crowther, stage-magician, puppeteer, and promoter of Wicca religion * Antony Crowther, British computer programmer * Bosley Crowther (1905–1981), American film critic * Charles Crowther (1831–1894), Australian politician * Emlyn Crowther (born 1949), New Zealand drummer * Geoffrey Crowther, Baron Crowther (1907–1972), English politician * Hal Crowther (born 1945), American journalist and essayist * Hilton Crowther (b.1879), English mill owner and football club chairman * John Edward Crowther, (1863–1931) English mill owner and philanthropist * Joseph Stretch Crowther (1820–93) English architect * Leslie Crowther (1933–1996), English comedia