Metzger
Metzger (also Mezger) is a German/Yiddish (German-Jewish) occupational surname, meaning "butcher". Notable people with the name include:

Metzger
Adam, Jack, and Ryan Metzger, members of American rock band AJR
Alex Metzger (born 1973), German bobsledder
Alex Metzger (footballer) (fl. 1979–1984), New Zealand footballer
Arnold Metzger, German philosopher
Bert Metzger (1909–1986), American football player
Bruce M. Metzger (1914–2007), American biblical scholar, Bible translator, and professor
Butch Metzger (born 1952), American baseball pitcher
David Metzger (born 1960), American orchestrator and composer
Ed Metzger (born 1946), American actor and writer
Erika Metzger (fl. 1927–1929), German table tennis player
Georg Balthasar Metzger (1623–1687), German physician
Gustav Metzger (1926–2017), German-born artist and political activist
Heinz-Klaus Metzger (1932–2009), German music critic and theoretician
Henri Metzger (1912–2007), French archaeologist and hellenist
Jill Metzger (born 1973), American air force officer
Kelly Metzger, (born 1980), Canadian voice actress
Kurt Metzger (born 1977), American comedian, actor, and writer
Mike Metzger (born 1975), American freestyle motocross rider
Otto Metzger (1885–1961), German-British engineer and inventor
Radley Metzger (1929–2017), American filmmaker and film distributor
Richard Metzger (born 1965), American television host and author
Robert A. Metzger (born 1956), American electrical engineer and science fiction author
Roger Metzger (born 1947), American baseball player
Sol Metzger (1880–1932), American football coach and syndicated sports writer
Thomas Metzger (sinologist) (born 1933), American scholar of Chinese politics and society
Tom Metzger (1938-2020), American founder of the White Aryan Resistance
William E. Metzger (1868–1933), American automotive pioneer, co-founder of E-M-F Company
Wolfgang Metzger (1899–1979), German psychologist
Yona Metzger (born 1953), Ashkenazi Chief Rabbi of Israel

Mezger
Eduard Mezger (1807–1894), Bavarian architect and professor
Francis Mezger (1632–1701), Austrian Benedictine academic and writer
Guy Mezger (born 1968), American martial artist
Hans Mezger (1929–2020), German automotive engineer
Joseph Mezger (1635–1683), Austrian Benedictine
Paul Mezger (1637–1702), Benedictine theologian and academic

In fiction
Karl Metzger, a Nazi correctional officer in the HBO drama series Oz