Alexander McDonald may refer to:
- Alexander McDonald (Royal Marines officer) (c. 1745âÂÂ1821), early land owner in New South Wales
- Alexander McDonald (sculptor) (1784âÂÂ1860), Scottish granite sculptor
- Alexander N. McDonald (1818âÂÂ1885), businessman and political figure in Nova Scotia, Canada
- Alexander McDonald (surgeon) (1819 â c. 1848), Scottish physician on Franklin's lost expedition
- Alexander McDonald (American politician) (1832âÂÂ1903), U.S. Senator from Arkansas
- A. B. McDonald (Alexander Beith McDonald, 1847âÂÂ1915), Scottish architect
- Alexander McDonald (South Australian politician) (1849âÂÂ1922), member of the South Australian House of Assembly
- Alexander McDonald (1845âÂÂ1920), member of the Victorian Legislative Assembly
- Alec McDonald (politician), member of the Victorian Legislative Assembly
- Alexander McDonald (Canadian politician) (1876âÂÂ1945), Canadian politician in the Legislative Assembly of British Columbia
- Alexander Hugh McDonald (1908âÂÂ1979), New Zealand classicist and ancient historian
- Alexander Hamilton McDonald (1919âÂÂ1980), Canadian politician
- Sandy McDonald (Alexander McDonald, 1937âÂÂ2016), Church of Scotland minister
See also