Circler
Zirkler is the family name of the following people:
- Albert Zirkler (1891–1971), German teacher, folklorist and dialect researcher
- Bernd Zirkler (* 1970), German economist and university professor
- Friedrich Zirkler (1827–1909), German photographer and protagonist of mine photography
- Klaus-Otto Zirkler (* 1946), German veterinarian and politician (LDPD and FDP)
- William Zirkler (1869–1928), German photographer and protagonist of industrial, mine and metallurgical photography