Ian MacGregor (disambiguation)
Sir Ian MacGregor was a Scottish-American metallurgist and industrialist
Ian MacGregor, Macgregor or McGregor may also refer to:
- Ian McGregor
- Ian McGregor , Australian rules footballer
- Ian McGregor
- Ian Macgregor, British investment executive and chartered accountant
- Ian MacGregor, British newspaper editor
- Ian MacGregor , American professional road racing
- Ian MacGregor , Scottish rugby union player