Engel is a German surname. Notable people with the surname include:
Adam Engel, baseball player
Albert J. Engel (1888–1959), U.S. Representative from Michigan
Albert J. Engel, Jr. (1924–2013), American jurist
Andreas K. Engel (born 1961), German neuroscientist
Barbara Engel (born 1952), German fashion designer
Beverly Engel, psychotherapist
Carl Engel (1883–1944), French-born US composer
Carl Engel (musicologist) (1818–1882), German-born English writer on music
Carl Ludvig Engel (1778–1840), German-born Estonian/Finnish architect
Charles Engel, American economist
David Engel (actor), Broadway singer, dancer, and actor
David Engel (historian), US Holocaust historian
Eliot Engel, U.S. Representative from New York
Erich Engel (1891–1966), German actor
Ernst Engel (1821–1896), German statistician
Franz Engel (naturalist) (1834–1920), German explorer
Friedrich Engel (mathematician) (1861–1941), German mathematician
Friedrich Engel (SS officer) (1909–2006), Schutzstaffel officer
Georgia Engel (born 1948), US film and television actress
Greg Engel (born 1971), American football player
Johann Christian von Engel (1770–1814), Hungarian historian
Karl Dietrich Leonhard Engel (1824–1913), German musician and writer
Heinfried Engel (born 1947), German pole vaulter
Howard Engel (born 1932), Canadian mystery writer and producer
Jerzy Engel (born 1952), former Polish football manager
Joel Engel (composer) (1868–1927), Russian-born Jewish composer
Joel S. Engel (born 1936), US engineer and scientist
Johann Jakob Engel (1741–1802), German philosophical writer
Josef Engel (born 1942), Czech wrestler
Josef Engel (anatomist) (1816–1899), German anatomist
Jules Engel (1909–2003), American filmmaker, artist
Julius Engel (1842–1926), German judge and politician
Karl Engel (1923–2006), Swiss pianist
Karl Engel (footballer) (born 1952), Swiss football goalkeeper
Karl Dietrich Leonhard Engel (1824–1913), German composer and writer
Lehman Engel (1910–1982), US composer and conductor
Marian Engel (1933–1985), Canadian novelist
Maro Engel (born 1985), German auto racing driver
Michael S. Engel (born 1971), US paleontologist and entomologist
Natascha Engel (born 1967), British Member of Parliament
Pál Engel (1938–2001), Hungarian historian
Richard Engel (born 1973), US television journalist and author
S. Morris Engel (born 1931), author, philosopher, and linguist
Volker Engel (born 1965), visual effects artist
