Bitzer may refer to:
People with the surname Billy Bitzer (1872–1944), American pioneering cinematographer Donald Bitzer (1934–2024), American co-inventor of plasma display Marc Bitzer (born c. 1965), German business executive
Other Bitzer SE, one of the leading companies in the area of refrigeration and air conditioning technology Bitzer, one of the leading characters of the TV series, Shaun the Sheep