Margaret Kennedy (1896–1967) was an English novelist and playwright.
Margaret Kennedy may also refer to:
Margaret Kennedy, Countess of Cassilis (died 1580), Scottish aristocrat Margaret L. Kennedy (1892–?), Irish Fianna Fáil politician Margaret Kennedy Knight (1903–1983), English psychologist and humanist Margaret Kennedy (singer) (died 1793), contralto singer and actress Margaret Stephen Kennedy (1814–1891), zenana missionary Margaret Kennedy (American politician)
See also Margrit Kennedy (1939–2013), German architect, professor, environmentalist and author