James Gallagher may refer to:
- James Gallagher (Australian footballer) (born 1979), Australian rules footballer
- James Gallagher (baseball) (born 1985), American professional baseball first baseman and outfielder
- James Gallagher (bishop) (died 1751), Irish bishop
- James Gallagher (California politician) (born 1981), member of the California State Assembly
- James Gallagher (Gaelic footballer), who played for Donegal
- James Gallagher (Irish politician) (1920–1983), Irish Fianna Fáil politician, represented Sligo-Leitrim, 1961–81
- James Gallagher (mayor) (1860–1925), Lord Mayor of Dublin, 1915–17
- James Gallagher (soccer) (1909–1992), American soccer player at the 1928 Summer Olympics
- James A. Gallagher (1869–1957), U.S. Republican representative from Pennsylvania
- James J. A. Gallagher (1927–1992), Pennsylvania politician
- James Samuel Gallagher (1845–?), Wisconsin politician
- James T. Gallagher (1904–2002), baseball executive
- Jimmy Gallagher (1901–1971), Scottish-American soccer player at the 1930 World Cup
See also
- James Gallaher, Presbyterian Chaplain of the United States House of Representatives, 1852
- Jim Gallagher (disambiguation)
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