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Kraetzig or Krätzig is the family name of the following people:
- Adalbert Kraetzig (1819–1887), ministerial director and member of the Reichstag
- Andrea Krätzig , maiden name of Andrea Vannahme (* 1968), German television presenter
- Helmut Krätzig (1933–2018), German film director
- Hermann Krätzig (1871–1954), German politician (SPD)
- Johannes Krätzig (* 1915), German politician (CDU)
- Wilfried Krätzig (1932–2017), German civil engineer