Bloom is a surname. Notable people with the surname include:
Adam Bloom (born 1971), English comedianAlan Bloom (1906–2005), English nurserymanAllan Bloom (1930–1992), American philosopher and authorAndy Bloom (born 1973), American Olympic shot putterBenjamin Bloom (1913–1999), American educatorBenjamin Bloom (musician) (born 1982), English musicianBill Bloom (born 1948), American songwriter and musicianBobby Bloom (1945–1974), American singer songwriter best known as one hit wonder for "Montego Bay" in 1970Claire Bloom (born 1931), British actorDavid Bloom (1963–2003), NBC journalistHarold Bloom (born 1930), American literary criticHarry Bloom (1913–1981), South African novelist and activistHoward Bloom (born 1943), American authorHyman Bloom (1913–2009), American artistJeremiah B. Bloom (1913–1983), New York state senatorJeremy Bloom (born 1982), American athleteJohn Bloom (disambiguation), several peopleLily Bloom, French actressLuka Bloom (born 1955), Irish musicianMark Bloom (born 1987), American soccer defenderMatt Bloom (born 1972), American wrestlerMoses Bloom (1833–1893), American politician, mayor of Iowa CityMyer Bloom (1928 – 2016), Canadian physicistOrlando Bloom (born 1977), English actorPhilip Bloom (disambiguation), several peopleRachel Bloom (born 1987), American actressRube Bloom (1902–1976), American composerSteve Bloom (born 1953), photographerUrsula Bloom (1892–1984), English writerVerna Bloom (born 1939), American actress, best known for role in Animal HouseWilliam Bloom (born 1948), British educator