James McMahon may refer to:
Politics
edit- James McMahon (Canadian politician) (1830–1909), Ontario, Canada doctor and politician
- James Leslie McMahon or Les McMahon (1930–2015), Australian politician
- James O'Brien McMahon or Brien McMahon (1903–1952), United States senator
- Jim McMahon (politician) (born 1980), British politician
Others
edit- James McMahon (priest) (1817–1901), Irish-born priest
- James McMahon (astronomer), American amateur astronomer
- James McMahon (mathematician) (1856–1922), American educator and mathematician
- James E. McMahon, United States Attorney in South Dakota
- Jim McMahon (born 1959), American football player
- James MacMahon (died 1915), Australian impresario, of MacMahon brothers
See also
edit- James Macmahon (1865–1954), Irish businessman