Rosenzweig, or Rosensweig is a German surname meaning "rose twig or branch" and may refer to:

People

• Alyssa Rosenzweig, software developer
• Barney Rosenzweig (born 1937), an American television producer
• Cynthia E. Rosenzweig, a NASA scientist and climatologist
• Dan Rosensweig, former Chief Operating Officer of Yahoo!
• Ferdinand von Rosenzweig, an Austrian military officer
• Franz Rosenzweig (1887–1929), German-Jewish philosopher
• Gabriel Rosenzweig Pichardo (born 1957), Mexican diplomat
• Gerson Rosenzweig (1861–1914), writer and poet
• Harry Rosen (born 1931, originally Rosenzweig), founder of the Canadian men's wear store that bears his name
• Jake Rosenzweig (born 1989), an American racing driver
• Joseph "Joe 'The Greaser'" Rosenzweig, American racketeer in the early 1900s
• Luc Rosenzweig (1943-2018), French journalist
• Mark Rosenzweig (1922-2009), performed studies showing the brain continues developing anatomically into adulthood
• Rabbi Michael Rosensweig (born 1955), rosh yeshiva at Yeshiva University
• Michael Rosen, a British poet and children's storyteller
• Michael Rosenzweig, American ecologist at the University of Arizona
• Peggy Rosenzweig, an American politician
• Philip Rosenzweig (1954–2001), vice president with Sun Microsystems who died on American Airlines Flight 11 on 9/11
• Rachel Zoe Rosenzweig, an American fashion stylist
• Robert Rosenzweig, president emeritus of the Association of American Universities
• Ronald E. Rosensweig (born 1932), physicist, pioneer in the field of magnetic fluids
• Roy Rosenzweig (1950–2007), American historian
• Saul Rosenzweig (1907–2004), American psychologist and therapist
• Viktor Rosenzweig (1914–1941), Croatian communist, poet and writer killed during World War II

Entertainment, fiction, awards

• Buber-Rosenzweig-Medal, an annual prize for Christian-Jewish relations, named after Franz Rosenzweig
• Chaim Rosenzweig, a fictional character in the Left Behind novels
• The Sisters Rosensweig, a play by Wendy Wasserstein