Ernst Pfeiffer

Ernst Pfeiffer is the name of the following people:

• Ernst Pfeiffer (mathematician) (1847–1917), German mathematician
• Ernst Pfeiffer (writer) (1876–1942), German writer and journalist
• Ernst Pfeiffer (entomologist) (1893–1955), German entomologist and publisher
• Ernst Pfeiffer (philologist) (1893–1986), German philologist, Germanist and writer
• Ernst Ezechiel Pfeiffer (1831–1904), German benefactor
• Ernst-Friedrich Pfeiffer (1922–1997), German endocrinologist and diabetologist

This is a disambiguation page for differentiating between several terms identified with the same word.