Grossman (variants include Grosmann, Grossmann, Großmann, etc.) is a family name of Germanic and Jewish Ashkenazi origin, meaning large man, with the earliest recorded usage in the 14th century.
- Adam Grossman, guitarist and singer for the band Skrew
- Albert Grossman, entrepreneur and manager in the American folk music scene
- Alex Grossman, Croatian-French physicist
- Allan Grossman, member of the Legislative Assembly of Ontario
- Austin Grossman, writer and game designer
- Bathsheba Grossman, Santa Cruz, California artist
- Blake Grossman, chief executive officer of Barclays Global Investors
- Burt Grossman, former American football defensive end
- Carl Großmann, German serial killer
- Dave Grossman (author), American author and professor
- Dave Grossman (game developer), American game programmer and game designer
- David Grossman, Israeli author
- Dieter Grossmann, digital artist
- Edith Grossman, American translator
- Eric Grossman, American musician
- Gene Grossman, the Jacob Viner professor of International Economics at Princeton University
- Gheorghe Grossman, Romanian politician
- Gustav Friedrich Wilhelm Grossmann, German actor, writer and stage director
- Haika Grossman, Israeli politician
- Hannes Grossmann, German death metal band member
- Heinrich Ernst Grosmann, a Danish composer
- Henryk Grossman, polish-German economist and historian
- Jiří Grossmann, Czech theatre actor, poetrist and composer
- Joel Grossman, Professor of Political Science at Johns Hopkins University
- Jonathan Grossman, Revolutionized Corporal Law Theories
- Karl Grossman, professor of journalism at State University of New York/College at Old Westbury
- Karol Grossmann, the first Slovene amateur filmmaker
- Karolien Grosemans, Belgian politician
- Larry Grossman, politician in Ontario, Canada
- Leslie Grossman, American actress
- Lev Grossman, American writer
- Loyd Grossman, Anglo-American television presenter and chef
- Marc Grossman, former American Ambassador to Turkey
- Marcel Grossmann, Hungarian mathematician
- Martin Grossman (1965-2010), American murderer
- Mechthild Grossmann, German actress who appeared in Nowhere in Africa and Seduction: The Cruel Woman
- Nancy Grossman, American artist
- Nicklas Grossmann, Swedish ice hockey player
- Randy Grossman, American NFL football player
- Rex Grossman, quarterback for the Washington Redskins
- Richard Grossman (musician), bassist for the Hoodoo Gurus and the Divinyls
- Robert Grossman, American painter, sculptor, filmmaker, and author
- Sally Grossman, widow of Albert Grossman and operator of the Woodstock-based Bearsville Records
- Sanford J. Grossman, American economist, John Bates Clark Medal winner in 1987
- Stefan Grossman, American guitarist and singer
- Terry Grossman, co-author of Fantastic Voyage: Live Long Enough to Live Forever
- Thomas Grossmann, German writer and psychologist
- Tuvia Grossman, Jewish American student attacked by a violent Arab mob and later wrongly identified as a Palestinian
- Vasily Grossman, Soviet writer and journalist
- Wendy M. Grossman, journalist, blogger, and folksinger
- Yitzchak Dovid Grossman, Israeli rabbi - the "Disco Rabbi"
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