Horneffer
Horneffer is the family name of the following people:
- August Horneffer (1875–1955), German philologist and Masonic writer
- Ernst Horneffer (1871–1954), German philologist and philosopher
- Katja Horneffer (* 1968), German meteorologist and television presenter
- Klaus Horneffer (* 1936), German mathematician and Freemason
