John Mulholland may refer to:
- John Mulholland, 1st Baron Dunleath (1819–1895), Irish businessman and Conservative member of parliament
- John F. Mulholland Jr. (born 1955), United States Army officer
- John Mulholland (footballer, born 1928) (1928–2015), Scottish footballer (Grimsby Town, Scunthorpe United)
- John Mulholland (footballer, born 1932) (1932–2000), Scottish footballer (Chester FC, Halifax Town)
- John Mulholland (Irish republican), president of the Irish Republican Brotherhood, 1910–1912
- John Mulholland (journalist) (born 1962), editor of The Guardian US
- John Mulholland (director) (born 1940), American writer and director
- John Mulholland (magician) (1898–1970), American magician
- John Mulholland (politician) (1946–2022), Irish politician, mayor of Galway 1986–1987 and 1996–1997
- John Henry Mulholland, Liberal candidate in the 1962 Stockton-on-Tees by-election and father of Greg Mulholland MP
This disambiguation page lists articles about people with the same name.
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