Haddon is a masculine given name. Notable people with the name include:
Haddon Donald (1917–2018), New Zealand former soldier, businessman and politician Haddon King (1905–1990), Australian geologist Haddon Mason (1898–1966), British film actor Haddon Robinson (1931–2017), American evangelical preacher and professor Haddon Storey (born 1930), Australian politician Haddon Sundblom (1899–1976), American artist Charles Haddon Spurgeon (1834–1892), British preacher