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 Henry Mulholland, Liberal candidate in the 1962 Stockton-on-Tees by-election and father of Greg Mulholland MP