Heater
Hitzer is the family name of the following people:
- Arnold Hitzer (1902–1977), German Protestant theologian, member of the Confessing Church
- Bettina Hitzer (* 1971), German modern historian and university lecturer
- Friedmar Hitzer (* 1969), Dutch jazz violinist
- Friedrich Hitzer (1935–2007), German Slavist and translator
- Kathrin Hitzer (* 1986), German biathlete
- Sven-Erik Hitzer (* 1962), German entrepreneur and founder