James K. Polk (1795–1849) was the 11th president of the United States from 1845 to 1849.
James Polk may also refer to:
People James G. Polk (1896–1959), American Democratic congressman from Ohio James H. Polk (1911–1992), American four-star general who served as Commander-in-Chief of United States Army Europe 1967–1971 James Polk (journalist) (1937–2021), American investigative reporter
Other USS James K. Polk, United States Navy ballistic missile submarine launched 1965 "James K. Polk" (song), 1990 release by American rock band They Might Be Giants
See also Presidency of James K. Polk USS President Polk, U.S. Navy attack transport during World War II