Adler may refer to:

Legal Adler v Ontario, constitutional decision of the Supreme Court of Canada

Places Adler, Alabama, an unincorporated community in Perry County Adler Planetarium, Chicago, Illinois, USA Adler Township, Nelson County, North Dakota, USA Adler University, formerly Adler School of Professional Psychology, in Chicago, Illinois, USA Adlersky City District, Sochi, Russia Adler Microdistrict, a resort in Sochi, Russia Adler railway station, a station serving the city

Sports Adler Mannheim, a German ice hockey team Berlin Adler, an American football team in Berlin Nickname of the sports club Eintracht Frankfurt Nickname for the Germany national football team

Transportation , a number of steamships Adler (cars and motorcycle), an early 20th-century automobile. The firm also produced typewriters and other office equipment. Adler (locomotive), the first German steam locomotive (1835) Adler or Adlerwerke vorm. Heinrich Kleyer, a German aircraft manufacturer

Other uses Adler (band), an American rock band Adler (comics), a Franco-Belgian comics series by René Sterne Adler (surname), surname of Germanic origin Adler Seeds, an American company based in Indiana Operation Adler, three World War II military operations Adler, the symbol of the Germanic eagle

See also Adler-32, checksum algorithm Adlertag, or the Day of the Eagle, German name for the first day of operations of the Battle of Britain in 1940