James Walsh may refer to:

• James A. Walsh (Medal of Honor) (1897–1960), U.S. seaman and participant in the 1914 occupation of Veracruz
• James Augustine Walsh (1906–1991), U.S. federal judge
• James Donald Walsh (born 1946), United States Ambassador to Argentina from 2000 to 2003
• James H. Walsh, American labor organizer
• James J. Walsh (New York politician) (1858–1909), American politician, U.S. Representative from New York
• J. J. Walsh (1880–1948), aka James Joseph Walsh, Irish Cumann na nGaedheal politician, TD for Cork Borough
• James Morrow Walsh (1840–1905), NWMP officer and first commissioner of Yukon Territory
• James T. Walsh (born 1947), American politician, U.S. Representative from New York

• James Walsh (Irish priest) (1837–1919), Irish Anglican priest
• James Anthony Walsh (1867–1936), American Roman Catholic priest, founder of Maryknoll Fathers and Brothers
• James Edward Walsh (1891–1981), American Maryknoll bishop and missionary

• James Walsh (cricketer) (1913–1986), Australian cricketer
• James Walsh (equestrian) (born 1948), Irish Olympic equestrian
• James Walsh (hurler) (born 1983), hurler from Ballinakill in Laois
• James Walsh (swimmer) (born 1986), Philippine swimmer
• James Andrew Walsh (1909–1985), Irish hurler
• Flat Walsh (James Patrick Walsh, 1897–1959), Canadian ice hockey goaltender

• James Walsh (convict) (born 1833), transported convict, known for prison wall paintings in Western Australia
• James Walsh (musician) (born 1980), British musician, frontman of the rock band Starsailor
• James Joseph Walsh (1865–1942), American physician and author
• James P. Walsh (born 1953), American organizational theorist
• James Walsh (physician), Irish medical doctor
• James Morgan Walsh (1897–1952), Australian writer

• Jim Walsh (disambiguation)