Flom is a surname. Notable people with the surname include:
Chaim Flom (died 2008), Israeli rabbi George T. Flom (1871–1960), American linguist and medievalist Jason Flom (born 1960/61), American music industry executive, podcaster, and philanthropist Joseph H. Flom (1923–2011), American lawyer Justin Flom (born 1986) American illusionist