Dowdeswell is a surname, and may refer to:Caroline Dowdeswell, English television actress Colin Dowdeswell, tennis player Elizabeth Dowdeswell, Lieutenant Governor of the Canadian province of Ontario James Dowdeswell, stand-up comedian and actor Louis Dowdeswell, English jazz trumpeter Peter Dowdeswell, English competitive eater Richard Dowdeswell (1601–1673), English politician Roger Dowdeswell, tennis player from Zimbabwe, elder brother of Colin Dowdeswell William Dowdeswell (1682–1728), English politician William Dowdeswell (Chancellor) (1721–1775), British politician William Dowdeswell (1760–1828), English politician William Edward Dowdeswell (1841–1893), English politician William Dowdeswell (1804–1870), English politician