Ranald MacDonald (disambiguation)
Ranald MacDonald may refer to:
- Ranald MacDonald (1824–1894), Canadian-born, the first man to teach the English language in Japan
- Ranald MacDonald (bishop) (1756–1832), Scottish Roman Catholic bishop
- Ranald MacDonald (founder of Clanranald), Scottish, founder of the MacDonald of Clanranald
- Ranald Og MacDonald, captured Dunyvaig Castle in 1614