Toulmin is a surname and given name. Notable people with the name include:
Evelyn Toulmin (1877–1945), Anglo-Argentine cricketer George Toulmin (1857–1923), British journalist, newspaper proprietor, and politician George Hoggart Toulmin (1754–1817), English physician and geological thinker Harry Toulmin (Unitarian minister) (1766–1823), son of Joshua Toulmin; served as president of Transylvania Seminary, Kentucky Secretary of State, and U.S. federal judge in Alabama Harry Aubrey Toulmin, Sr. (1858–1942), American lawyer Harry Theophilus Toulmin (1838–1916), U.S. federal judge Joshua Toulmin (1740–1815), British theologian Joshua Toulmin Smith (1816–1869), British political theorist, lawyer, and historian Lucy Toulmin Smith (1838–1911), Anglo-American antiquarian and librarian Stephen Toulmin (1922–2009), British philosopher, author, and educator Theophilus Toulmin Garrard (1812–1902), American politician and Civil War Union general Toulmin Smith, the surname of Lucy and Joshua Toulmin Smith Vaness Toulmin (born 1967), British academic specialising in popular culture
See also Toulmin method, a method of reasoning devised by Stephen Toulmin