Margetson is a surname. Notable people with the surname include:
Arthur Margetson (1887–1951), British stage and film actor James Margetson (1600–1678), English churchman, Church of Ireland Archbishop of Armagh from 1663 John Margetson (1927–2020), British ambassador to Vietnam, the United Nations, and the Netherlands Martyn Margetson (born 1971), Welsh former professional footballer and Wales international Philip Margetson (1894–1985), assistant commissioner of the London Metropolitan Police Stella Margetson (1912–1992), English novelist and writer William Henry Margetson (1861–1940), British painter and illustrator William James Margetson (1874–1946), Anglican priest in the first half of the twentieth century
See also Margat Margit Margot Margret (disambiguation) Margut