Dallwitz is a German surname. Notable people with the surname include:

Burkhard Dallwitz (born 1959), German composer Dave Dallwitz (1914–2003), Australian musician, painter and art teacher Johann von Dallwitz (1855–1919), German politician

Dallwitz, the German name for Dalovice (Karlovy Vary District), a village in Karlovy Vary District, Czech Republic

de:Dallwitz