Arthur Walsh may refer to: Arthur Walsh, 2nd Baron Ormathwaite (1827–1920) Arthur Walsh, 3rd Baron Ormathwaite (1859–1937), British courtier Arthur Walsh (U.S. Senator) (1896–1947), American politician from New Jersey A. D. Walsh (1916–1977), British chemist Arthur Walsh (actor) (1923–1995), Canadian actor and dancer See also Arthur Welsh (disambiguation)