Alan, Allan, or Allen Segal, Siegal, or Siegel may refer to:

• Abe Segal (Alan Abraham Segal, 1930–2016), South African tennis player
• Allan Segal (1941–2012), British documentary film maker
• Alan F. Segal (1945–2011), American scholar of ancient religions
• Allan M. Siegal (1940–2022), American journalist
• Alan Siegel (born 1938), American businessman

This disambiguation page lists articles about people with the same name.
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