Cerfbeer, Cerf Beer or Cerfberr is a French-language Jewish surname derived from the names Cerf and Beer. Notable people with this surname include the following:
Herz Cerfbeer of Medelsheim (or Cerf Beer), otherwise Naphtali Ben Dov-Beer (1730–1793), Alsatian-French Jewish philanthropist
Samson Cerfberr of Medelsheim (– 1826), Alsatian-French Jewish soldier and author