John Gallagher

John Gallagher may refer to:

Sportspeople

• John Gallagher (athlete) (1890–?), American long-distance runner
• John Gallagher (baseball) (1892–1952), Major League Baseball player
• John Gallagher (basketball) (born 1977), head men's basketball coach at the University of Hartford
• John Gallagher (golfer) (born 1981), Scottish professional golfer
• John Gallagher (ice hockey) (1909–1981), professional ice hockey player
• John Gallagher (rugby) (born 1964), British-born New Zealand rugby union, and rugby league player
• John Gallagher (rugby league), rugby league player for Batley
• John Bán Gallagher, Gaelic footballer for Donegal
• John J. Gallagher (coach) (1904–1982), American college football and basketball player and coach

Politicians

• John E. Gallagher (politician), American politician
• John P. Gallagher (1932–2011), American politician in the New Jersey Senate
• John J. Gallagher (politician) (born 1944), American politician in the New Jersey General Assembly
• John S. Gallagher (1849–1920), Ontario merchant and political figure

Others

• John Gallagher (barrister), member of the board of the Australian Broadcasting Corporation
• John Gallagher (bishop) (1846–1923), Irish-born bishop of the Australian Roman Catholic Archdiocese of Canberra and Goulburn
• John Gallagher (businessman), New Zealander knighted in the 2025 New Year Honours (New Zealand)
• John Gallagher (cartoonist), American cartoonist
• John Gallagher (geologist) (1916–1998), Canadian geologist and businessman
• John Gallagher (journalist) (born 1949), American business journalist, author
• John Andrew Gallagher (1919–1980), British historian
• John Gallagher Jr. (born 1984), American actor and musician
• John Gallagher III (born 1947), American astronomer
• John E. Gallagher (1958–2019), American television director
• John M. Gallagher (born 1966), United States district judge
• John Gallagher, guitarist/vocalist for the American death metal band Dying Fetus
• John Gallagher, bassist/vocalist for the English heavy metal band Raven
• John Gallagher (fl. 1830s), American naval commander, in command of USS Vandalia

See also

• Gallagher (surname)
• Jon Gallagher (born 1996), Irish footballer
• Jack Gallagher (disambiguation)
• Jackie Gallagher (disambiguation)
• John Gallacher (disambiguation)