Sigmund Fraenkel
Sigmund Fraenkel or Sigmund Fränkel is the name of the following people:
- Sigmund Fraenkel (chemist) (1868–1939), Austrian chemist and pharmacologist
 - Sigmund Herzberg-Fränkel (1857–1913), Austrian historian and journalist
 
See also:
Sigmund Fraenkel or Sigmund Fränkel is the name of the following people:
See also: