唐纳德·麦克唐纳，加拿大工会领袖和政治家（生于 1909 年）
Donald MacDonald (September 12, 1909 – September 25, 1986) was a Canadian social democratic politician and trade unionist who led the Nova Scotia Co-operative Commonwealth Federation and was elected as a member of the Nova Scotia House of Assembly in 1941. In 1968 he was elected President of the Canadian Labour Congress (CLC).