Family name Estoffer (Stuff 
, Estofar 
, Estoffer 
) , around the world, is quite a common last name. The family name Estoffer is habitual in Brunei, where it is quite a common surname, Indonesia, where it is quite a rare surname, and Bahrain. Measured by absolute frequency, it is commonest in Indonesia, Germany, and the United States. Very seldom, Estoffer is the forename as well as the last name.