Capper is a surname. Notable people with the surname include:Andy Capper, English journalist
Arthur Capper (1865–1951), American politician
Charles Capper, American historian
Charles Capper (politician) (1822–1869), British Member of Parliament
Edmund Capper (1906–1998), English bishop
Freddy Capper (1891–1955), English footballer
Gavin Capper, fictional character on the soap opera Shortland Street
Henry Capper, editor of London newspapers devoted to South Australia
Jack Capper (1931–2009), Welsh footballer
James Capper (1743–1855), British officer of the East India Company
James Capper (sculptor) British kinetic sculptor
John Capper (1861–1955), senior British Army officer
John Capper (editor) (1814–1898), English author and Orientalist
Louisa Capper, children's writer
Stewart Henbest Capper (1859–1925), Scottish architect
Suzanne Capper (1976–1992), English murder victim
Thompson Capper (1863–1915), senior British Army officer
Warwick Capper, Australian rules footballer
Wilfrid Merydith Capper (1905–1998), countryside campaigner in Northern Ireland
William Capper (1856–1934), senior British Army officer
