Bartz is a German family name, originating from "Bartholomäus":
- Carol Bartz (born 1948), American chief executive officer
- Dietmar Bartz (de) (born 1957), German journalist
- Dirk Bartz (de) (1967, Simmern – 2010), German medical computer scientist
- Edek Bartz (de), artist name: Edward Geduldig (born 1946, Qarağandı, Kazakhstan), Austrian creative artist and cultural manager of paternal Polish descent
- Frank Bartz (de) (born 1965), German footballer
- Gary Bartz (born 1940), American alto and soprano saxophonist
- Hartwig Bartz (de) (1936–2001), German jazz drummer
- Jörg Bartz (de) (born 1965), German footballer
- Karl Bartz (de) (1900, Rammelsbach – 1956), German writer
- Merlin Bartz, American politician, state senator of Iowa
- Richard Bartz (de)
- Wilhelm Bartz (de) (1881, Tangermünde – 1929, Berlin), German politician