Dog Eat Dog (released as Einer frisst den anderen in Germany) is a 1964 German crime drama film that starred Jayne Mansfield, Cameron Mitchell, Dodie Heath, Ivor Salter, Isa Miranda, Elisabeth Flickenschildt, Werner Peters, and Pinkas Braun.
Filming occurred in late 1963 in Yugoslavia. Mansfield was pregnant with Mariska Hargitay during filming.