Applebaum is a Jewish surname. It may refer to:Anne Applebaum, journalist and author
Cicely Applebaum Ryshpan (1904–2004), American economist
Chris Applebaum, American music video director
Dallin Applebaum, American songwriter, pianist, vocalist and music producer
David Applebaum (1952–2003), Israeli doctor and terrorist victim
Nava Applebaum, David's daughter and terrorist victim
Edward Applebaum (1937–2020), American composer
Elisha Applebaum, English actress
Jacob Appelbaum, American hacker, Core Tor member
Jon Applebaum, American politician
Leah Applebaum, American voice actress
Louis Applebaum (1918–2000), Canadian composer and conductor
Mark Applebaum, American composer and music professor
Michael Applebaum, Canadian politician and former Mayor of Montreal
Sid Applebaum (1924–2016), American grocery magnate
Stan Applebaum (1922–2019), American musician, orchestrator and arranger