ABN or abn may refer to:
ABN AMRO Bank N.V. is a Dutch bank with headquarters in Amsterdam. ABN AMRO Bank is the third-largest bank in the Netherlands.
Abner Ronald Jenkins, formerly known as the Beetle, MACH-1, MACH-2, MACH-3, MACH-IV, MACH-V, MACH-VII) and currently known as MACH-X, and is a fictional character appearing in American comic books published by Marvel Comics.
Abnormal psychology is the branch of psychology that studies unusual patterns of behavior, emotion and thought, which may or may not be understood as precipitating a mental disorder.
Abner Mares Martínez (born November 28, 1985) is a Mexican-American professional boxer who has held the WBA (Regular) featherweight title since 2016. He is a four-time world champion in three weight classes, having previously held the IBF bantamweight title from 2011 to 2012; the WBC super bantamweight title from 2012 to 2013; and the WBC featherweight title in 2013. Additionally he held the IBO bantamweight title from 2010 to 2011. As an amateur, Mares won numerous medals at international tournaments while representing Mexico.
Abner Biberman (April 1, 1909 in Milwaukee, Wisconsin – June 20, 1977 in San Diego, California), was an American actor, director, and screenwriter.
Abner Doubleday (June 26, 1819 – January 26, 1893) was a career United States Army officer and Union general in the American Civil War.
Abney Hall is a substantial Victorian house surrounded by a park in Cheadle, near Stockport, Greater Manchester, in the northwest of England (grid reference SJ85958923).
Abney Park cemetery is one of the Magnificent Seven cemeteries in London, England.
Abner Lloveras Hernández (born September 4, 1982 in Barcelona) is a Spanish professional mixed martial artist in the lightweight division.