Ricklefs
Ricklefs is the family name of the following people:
- Friedrich Reinhard Ricklefs (1769–1827), German classical philologist and grammar school director
- Günther Ricklefs (1926–1969), German ophthalmologist and university professor
- Rainer Ricklefs (1953–2013), German actor
- Robert E. Ricklefs (* 1943), American ornithologist, ecologist and university professor