Segel, and its variants including Segal or Siegel, is a primarily an Ashkenazi Jewish family name.
Notable people with the surname include:
Arthur I. Segel, American economist Binjamin W. Segel (1867–1931), author Harold Segel (1930–2016), American professor Jason Segel (born 1980), American actor Jonathan Segel (born 1963), American composer Joseph Segel (1931–2019), American businessman Lee Segel (1932–2005), American applied mathematician
See also Chagall (disambiguation) Segal Siegel Sigel (disambiguation)