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In all the world, Dreyfus (Dreyfus , דרייפוס ) is quite a rare masculine first name. The first name Dreyfus is habitual in the Democratic Republic of the Congo, where it is quite a rare masculine name, Philippines, where it is a very rare predominantly masculine, but very seldom feminine name, and Brazil. Measured by absolute frequency, it most frequently occurs in the Democratic Republic of the Congo, Brazil, and the United States. More prevalently, Dreyfus is the last name as well as the forename.
Dreyfus is also a name for the fictitious and mythical characters: .