Alexander McDonald
Alexander McDonald may refer to:
- Alexander McDonald (Royal Marines officer), early land owner in New South Wales
- Alexander McDonald (sculptor), Scottish granite sculptor
- Alexander N. McDonald, businessman and political figure in Nova Scotia, Canada
- Alexander McDonald (surgeon), Scottish physician on Franklin's lost expedition
- Alexander McDonald (American politician), U.S. Senator from Arkansas
- A. B. McDonald, Scottish architect
- Alexander McDonald (South Australian politician), member of the South Australian House of Assembly
- Alexander McDonald (1845–1920), member of the Victorian Legislative Assembly
- Alec McDonald (politician), member of the Victorian Legislative Assembly
- Alexander McDonald (Canadian politician), Canadian politician in the Legislative Assembly of British Columbia
- Alexander Hugh McDonald, New Zealand classicist and ancient historian
- Alexander Hamilton McDonald, Canadian politician
- Sandy McDonald, Church of Scotland minister