Rumsey is a surname. Notable people with the surname include:
Andrew Rumsey (born 1968), British Anglican priest and bishop-designate Benjamin Rumsey (1734–1808), American jurist Brad Rumsey (born 1986), American football coach Catherine Cool Rumsey, American politician Charles Cary Rumsey (1879–1922), American sculptor Deborah J. Rumsey (born 1961), American statistician David Rumsey (disambiguation), multiple people Digby Rumsey (born 1952), English film director Edward Rumsey (1796–1868), American politician Elida Rumsey, American Civil War nurse Elisha Rumsey (c. 1785 – 1827), American pioneer Fred Rumsey (born 1935), English cricketer Howard Rumsey (1917–2015), American jazz double-bassist James Rumsey (1743–1792), American mechanical engineer Janet Rumsey (1931–2008), American baseball player Julian Sidney Rumsey (1823–1886), American politician Mary Harriman Rumsey (1881–1934), American activist Norman Rumsey (1922–2007), New Zealand optical designer Robert Rumsey (1844–1884), English cricketer Shirley Rumsey, English musician Tessa Rumsey, American poet Vern Rumsey (1973–2020), American bass guitarist Victor H. Rumsey (1919–2015), American electrical engineer Walter Rumsey (1584–1660), Welsh judge and politician William Rumsey (1841–1903), American lawyer, diplomat and judge