William Beattie
William Beattie may refer to:
- William Beattie (physician), Scottish physician and poet
- William Beattie (politician), Northern Irish minister and Unionist politician
- Bill Beattie (Australian politician), Australian politician
- William Beattie (rugby league), Scottish rugby league footballer of the 1910s
- William George Beattie, English locomotive engineer
- William John Beattie, founder and former leader of the Canadian Nazi Party
- William Hamilton Beattie, Scottish architect
- William Francis Beattie, Scottish sculptor
- William Beattie (photographer), New Zealand photographer
- Bill Beattie (photographer), New Zealand photographer