Ullmann is a German surname also associated with Jewish Europeans. It means "man from Ulm". Notable people with the surname include:
Alexander de Erény Ullmann (1850–1897), Hungarian deputy and political economistChristoph Ullmann (born 1983), German ice hockey playerEmerich Ullmann (1861–1937), Austrian surgeonFritz Ullmann (1875–1939), German chemistHarrison Ullmann (1936–2000), American journalistKarl Ullmann (1796–1865), German Protestant theologianKostja Ullmann (born 1984), German actorLinn Ullmann (born 1966), Norwegian author and journalistLiv Ullmann (born 1938), Norwegian actressLisa Ullmann (1907–1985), German-British dance teacherMartin Ullmann (born 1986), German footballerMona Ullmann (born 1967), Norwegian Paralympic athleteRegina Ullmann (1896–1961), Swiss poetShalom Ullmann (1755–1825), German-Hungarian TalmudistStephen Ullmann (1914–1976), Hungarian linguistViggo Ullmann (1848–1910), Norwegian educator and politicianViktor Ullmann (1898–1944), Czech-Austrian composer, conductor and pianistVojtěch Ignác Ullmann (1822-1897), Czech architectWalter Ullmann (1910–1983), Austrian-British medieval scholarWilliam Ludwig Ullmann (1908–1993), American suspected spyWolfgang Ullmann (1929–2004), German journalist, theologian, and politician