Ranald MacDonald (1824–1894) was the first native English-speaker to teach the English language in Japan.
Ranald MacDonald may also refer to: 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 Ranald Macdonald (1928–1999), Scottish rugby player Ranald Macdonald (journalist) (born 1938), Australian journalist, media executive, broadcaster and educator Ranald George Macdonald (1788–1873), Scottish clan chief and Member of Parliament Ranald Roderick Macdonald (1945–2007), British mathematician and psychologist Ranald Macdonald (businessperson) (1860–1928), New Zealand businessperson, motorist, and local politician
See also Ronald McDonald (disambiguation)