James Macdonnell
James 'Macdonnell, Macdonell, or McDonnell' may refer to:
- James MacDonnell (physician), Irish physician
- James Macdonell (British Army officer), Scottish officer of the British Army
- James Macdonell (journalist), Scottish journalist
- James MacDonnell (cricketer), Irish cricketer
- James Macdonnell (Canadian politician), Canadian lawyer and parliamentarian
- James Smith McDonnell, aviation pioneer and founder of McDonnell Aircraft Corporation, later McDonnell Douglas
- Jim McDonnell (baseball), Major League Baseball catcher
- James MacDonnell (Newfoundland politician), member of the Newfoundland House of Assembly
- Jim McDonnell, Australian artist, member of Optronic Kinetics art collective in Sydney in the 1970s
- Jim McDonell, Canadian MPP
- Jim McDonnell (boxer), British boxer
- Jim McDonnell (sheriff), sheriff of Los Angeles County, California
- James McDonnell (rugby league), rugby league footballer for the Wigan Warriors