John McFarlane (born 1947) is a British businessman.
John McFarlane may also refer to:
- John McFarlane (Australian politician) (1854–1915)
- John McFarlane (Canadian politician), Ontario MPP for Middlesex East riding, 1912–1919
- John McFarlane (cricketer) (1933-2010), New Zealand cricketer
- John McFarlane (footballer, born 1905) (1905–?), Scottish footballer (Liverpool FC)
- John McFarlane (footballer, born 1899) (1899–1956), Scottish footballer (Celtic FC, Middlesbrough FC)
- John McFarlane of Sluts of Trust
- John Hector McFarlane, a fictional character