Sangster is a surname. Notable people with the surname include:
Charles Sangster (1822–1893), Canadian poetCharles Thomas Brock Sangster, English motorcycle manufacturerDonald Sangster (1911–1967), former Jamaican Prime MinisterDonald F. Sangster, Canadian geologistGeorge Sangster, Dutch ornithologistJack Sangster (1896–1977), English motorcycle manufacturerJames Sangster (1796–1866), Canadian farmer and politicianJames Alexander Sangster (1861–1937), Canadian merchant and politicianJimmy Sangster (1927–2011), Welsh screenwriterJohn Sangster (1928–1995), Australian jazz musicianMargaret Elizabeth Sangster (1838–1912), American poetMike Sangster (1940–1985), English tennis playerRobert Sangster (1936–2004), English racehorse owner and breederThomas Sangster (born 1990), English actorWill Sangster (born 1978), Australian rules footballer