Duncan Davidson may refer to: Duncan Davidson (Cromartyshire MP, born 1733) (1733–1799), Scottish merchant and Member of Parliament Duncan Davidson (Cromartyshire MP, born 1800) (1800–1881), Scottish landowner and Member of Parliament, grandson of the above Duncan Davidson (businessman) (1941–2025), British businessman, founder of Persimmon plc Duncan Davidson (footballer) (born 1954), Scottish footballer