McWilliam
McWilliam is a surname. Notable people with the surname include:
- Candia McWilliam, Scottish writer
- Colin McWilliam, Scottish academic and writer
- F. E. McWilliam, British sculptor
- George McWilliam, Australian rules footballer
- George Roy McWilliam, Canadian politician
- James Ormiston McWilliam, Scottish naval surgeon, physician, and writer
- John McWilliam, Scottish politician
- Michael McWilliam, British banker, academic administrator, and historian
- Peter McWilliam, Scottish footballer
- Richard McWilliam, American businessman