Sir James Penn Boucaut KCMG (/ˈboʊkɔːt/;) (29 October 1831 – 1 February 1916) was a South Australian politician and Australian judge. He was a member of the South Australian House of Assembly on four occasions: from 1861 to 1862 for City of Adelaide, from 1865 to 1870 for West Adelaide (1865–1868) and The Burra (1868–1870), from 1871 to 1878 for West Torrens (1871–1875) and Encounter Bay (1875–1878), and a final stint in Encounter Bay in 1878.