McAdam (surname)
McAdam or MacAdam is a surname with origins in the Ayrshire and Galloway regions of Scotland. Notable people with the surname include:
- John Loudon McAdam, a Scottish engineer noted for inventing the process of "macadamization" of roads.
- John McAdam (businessman), an American businessman
- John McAdam (politician), Irish-born politician in New Brunswick, Canada
- John Macadam, an Australian (Scottish-born) chemist, medical teacher and politician, after whom the Macadamia nut is named
- David MacAdam, an American color scientist
- Doug McAdam, an American sociologist studying social movements
- Colin McAdam (novelist), a Canadian novelist
- Elliot McAdam, an Australian politician and Northern Territory Cabinet member
- Sean McAdam, an American baseball writer
- Adrian McAdam, Australian Rules footballer
- Gilbert McAdam, Australian Rules footballer
- Greg McAdam, Australian Rules footballer
- Patrick "Pat" MacAdam is a Canadian writer