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

Rumsey (surname)