Alexander McDonald may refer to:
Alexander McDonald (Royal Marines officer) (c. 1745–1821), early land owner in New South Wales Alexander McDonald (sculptor) (1784–1860), Scottish granite sculptor Alexander N. McDonald (1818–1885), businessman and political figure in Nova Scotia, Canada Alexander McDonald (surgeon) (1819 – c. 1848), Scottish physician on Franklin's lost expedition Alexander McDonald (American politician) (1832–1903), U.S. Senator from Arkansas A. B. McDonald (Alexander Beith McDonald, 1847–1915), Scottish architect Alexander McDonald (South Australian politician) (1849–1922), 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) (1876–1945), Canadian politician in the Legislative Assembly of British Columbia Alexander Hugh McDonald (1908–1979), New Zealand classicist and ancient historian Alexander Hamilton McDonald (1919–1980), Canadian politician Sandy McDonald (Alexander McDonald, 1937–2016), Church of Scotland minister
See also Alexander MacDonald (disambiguation) Alex McDonald (disambiguation) Sandy McDonald (disambiguation)