Baum is a German surname meaning "tree". Notable people with this surname include:Andreas Baum, German politician
Bernie Baum (1929–1993), American songwriter
Bruce Baum, American comedian
Carl Edward Baum (1940–2010), American electrical engineer
Carol Baum, American film producer
Christina Baum, German politician
Dale Baum,, American historian and professor
Dan Baum (1956–2020), American journalist and writer
Edgar Schofield Baum (1916–2006), American artist, physician, and WW2 combat medical officer
Fran Baum, Australian social scientist
Frank Baum (footballer), German footballer
Frank Joslyn Baum (1883–1958), American lawyer, soldier, writer and film producer
Friedrich Baum (1727–1777), colonel in British service during the American revolutionary war
Gerhart Baum (1932–2025), German lawyer and politician, minister of the interior
Gregory Baum, former Catholic priest, LGBT advocate, Vatican II theologian
Henning Baum, German actor
Henry Baum, American writer
James Edwin Baum (1887–1955), American journalist and big game hunter
Jiří Baum (1900–1944), Czech zoologist
L. Frank Baum (1856–1919), American author, actor, and independent filmmaker
Michael Baum (surgeon), British surgical oncologist who specialises in breast cancer treatment
Oskar Baum (1883–1941), Czech music educator and writer
Otto Baum (1911–1998), German high-ranking commander (Oberführer) of the Waffen-SS
Paul Baum (artist) (1859–1932), German landscape painter
Paul Baum (mathematician), American mathematician
Peter Baum, American lacrosse player
Ray Baum (1955–2018), American lawyer and politician
Roger S. Baum, American banker, now children's author
Tom Baum, American screenwriter and playwright
Vicki Baum (1888–1960), Austrian writer
Walter Baum (1921–2007), German type designer
Walter Emerson Baum (1884–1956), Pennsylvania impressionist painter
Wilhelm Baum (historian),, Austrian historian, publisher
Wilhelm Baum (surgeon) (1799–1883), German surgeon
William Wakefield Baum (1926–2015), American Roman Catholic cardinal
