Hewson is a surname. Notable people with the surname include:
Ali Hewson (born 1961), activist and wife of U2's Bono
Allan Hewson (born 1954), former New Zealand Rugby union All Black
Arthur Hewson (1914 - 1999), Australian politician
Brian Hewson (born 1939), retired British middle distance athlete
David Hewson (author) (born 1953), British novelist
Dave Hewson (composer), British television and film composer
David Hewson (Canadian football) (born 1982), Canadian footballer
Dominic Hewson (born 1974), English cricketer
Emily Hewson (born 1982), Australian tennis player
Eve Hewson (born 1991) Irish actress and Bono and Ali Hewson's daughter
Gilbert Hewson (died 1951), Irish politician
John Hewson (died 1662), a soldier in the New Model Army and signatory on the death warrant of King Charles I
John Hewson (1744 – 1821), an American textile printer born in England
John Hewson (born 1946), Australian economist and former politician
Jones Hewson (1874 - 1902), Welsh singer and actor
Marillyn Hewson (born 1954), American businesswoman, current Chairman, President, and CEO of Lockheed Martin.
Paul Hewson (born 1960), lead singer with U2 (a.k.a. Bono)
Peter Hewson, British singer, vocalist with Chicory Tip
Richard Anthony Hewson (born 1943), English musician
Sam Hewson (born 1988), English footballer
Sherrie Hewson (born 1950), English actress
Tony Hewson (born 1934), former British racing cyclist
William Hewson (1806 - 1870), English theological writer
William Hewson (surgeon) (1739 - 1774), English surgeon