John Mulholland may refer to: John Mulholland, 1st Baron Dunleath (1819–1895), Irish businessman and Conservative Member of Parliament John F. Mulholland, Jr., United States Army officer John Mulholland (footballer, born 1928), 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), American writer/director John Mulholland (magician) (1898–1970), American magician John Mulholland (politician) (born 1946), 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