may also refer to:
- Allen Adler , American writer
- Celia Adler (1891–1979), American Jewish actress
- Cyrus Adler (1863–1940), U.S. educator
- David A. Adler (born 1947), Writer of children's books
- Heather Adler (born 1981), Canadian music journalist
- Jacob Pavlovitch Adler (1855–1926), born Yankev P. Adler, was a (Ukrainian-born) Jewish actor and a star in Yiddish theater
- Jay Adler (1896–1978), American actor in theater, television, and film
- Julius Ochs Adler (1892–1955), U.S. publisher, journalist, and United States Army General
- Lou Adler (born 1933), American record producer, manager, and director.
- Luther Adler (1903–1984), American actor and director on Broadway
- Margot Adler , (born 1946), author, journalist, Wiccan Priestess and Elder, NPR correspondent in New York City
- Maurice Adler or E. Maurice "Buddy" Adler (1909–1960), American film producer and 20th Century Fox production head
- Mortimer Jerome Adler (1902–2001), American aristotelian philosopher, author, and educator.
- Renata Adler (born 1938), American journalist and writer
- Sara Adler (1858–1953), Ukrainian Jewish actress in Yiddish theater who made her career mainly in the United States
- Sonya Adler or Sonya Oberlander (?–1886), one of the first women to perform in Yiddish theater in Imperial Russia
- Stella Adler (1901–1992), Jewish-American actress and acting teacher
- Warren Adler (born 1927), American businessman and novelist
- Walter Adler , German director
- André José Adler (born 1944), Hungarian-born actor, director, writer and sportscaster for Brazil
- Chris Adler (born 1973), drummer of the thrash metal band "Lamb of God"
- Guido Adler (1855–1941), Bohemian-Austrian musicologist and writer on music
- Frederick Charles Adler (1889–1959), conductor
- Kenton Adler (born 1956), Guitarist, singer, songwriter; bagpiper in the Lyon College Pipe Band
- Kurt Herbert Adler (1905–1988), American conductor born in Austria
- Larry Adler (1914–2001), American musician, widely acknowledged as one of the world's most skilled harmonica players
- Peter Herman Adler (1899–1990), American (Czech-born) conductor
- Richard Adler (born 1923), Jewish-American lyricist, composer and producer of several Broadway shows
- Steven Adler (born 1965), a drummer for the hard rock band Guns N' Roses
- Willie Adler (born 1973), guitarist of the thrash metal band Lamb of God
- Vincent Adler , Hungarian pianist, composer
- Henry Adler , American drum kit educator, player and actor
- Alfred Adler (1870–1937), Austrian psychologist, founder of the school of individual psychology
- Nathan Adler (1741–1800), German kabalist
- Hermann Adler (1839–1911), Orthodox Chief Rabbi of Britain from 1891–1911
- Johann Kaspar Adler (1488–1560), also Kaspar Aquila, Caspari Aquilae, real name Johann Kaspar Adler, German reformer
- Nathan Marcus Adler (ca.1800–1891), Orthodox Chief Rabbi of Britain from 1845–1891
- Jens Adler , German football player
- Kim Adler , Professional Bowler
- Rene Adler (born 1985), goalkeeper for Bayer Leverkusen in Germany
- Terry Adler coached two of his sons, Tommy Adler and Scott Adler to a State Championship
- Scott Adler International basketball player in europe
- Arthur Adler , member of the Gambino crime family
- Solomon Adler or Sol Adler (born 1936), Soviet spy who supplied information to the Silvermaster espionage ring
- Adler (comics) , Luftwaffe pilot turned adventurer, the title character of a comic book series by René Sterne
- Grace Adler , female lead in the hit TV series ''Will and Grace''
- Henry Adler , main character in David Wellington's film ''I Love a Man in Uniform''
- Irene Adler , fictional character featured in the Sherlock Holmes story "A Scandal in Bohemia" by Arthur Conan Doyle
- Adler (automobile) , early 20th century automobile
- Adler (motorcycle) , German motorcycle and typewriter manufacturer
- Adler Mannheim , German ice hockey team
- Adler Planetarium in Chicago, Illinois
- Adler-32 , checksum algorithm
- Operation Adler , three World War II military operations
- Adlerwerke Vorm Heinrich Kleyer , German aircraft manufacturer
- Adler (locomotive) , first German steam locomotive (1835)
- Adler (supermarket) , supermarket in Poland
- Adler Werk Lackfabrik , Austrian paint manufacturer
- Nickname of the sportsclub Eintracht Frankfurt
- Scott Adler-state champion and sports fanatic
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