John Waddell

• John Waddell (engineer), Scottish railway contractor
• John Waddell (footballer), English-Australian footballer
• John Alexander Low Waddell, American civil engineer and bridge designer
• John Waddell (politician), Australian politician
• John Henry Waddell, American sculpture artist
• John Kenneth Waddell, former president of Allen University, Columbia, South Carolina
• John Newton Waddel, American clergyman, educator
• Rankin (photographer), British portrait and fashion photographer
• John Waddell, Irish author, and former Professor of Archaeology