John Molloy is the name of:

• John Molloy (Australian settler) (1786–1867), early settler in Western Australia
• John Patrick Molloy (1873–1948), Canadian veterinarian and politician
• John Molloy (priest) (died 1922), Archdeacon of Raphoe from 1900

• Campaign for real beauty
• Campaign for Rural England
• Campaign for Safe Cosmetics
• Campaign for the Protection of Rural England
• Campaign Furniture
• Campaigning for Mainstream Universities
• Campaign in the Eastern Foothills of the Funiu Mountains
• Campaign in the Neck
• Campaign Iran
• Campaign Life
• Campaign Life Coalition
• Campaign of Ferdinand I
• Campaign of Hate
• Campaign of Ilerda
• Campaign of Mexico
• Campaign of Norway
• Campaign of Suleiman (1543)
• Campaign of the Carolinas
• Campaign of the North China Plain Pocket
• Campaign Politics
• Campaign Politics (Canadian TV Show)
• Campaign promise
• Campaign (roleplaying game)
• Campaign (role-playing game)
• Campaign role-playing game