Given name •
Arn Anderson (born 1958), American professional wrestler •
Arn Menconi (born 1959), District 2 Commissioner in Eagle County, Colorado •
Arn Saba (born 1947), Canadian cartoonist, writer, media personality, stage performer and composer •
Arn of Salzburg (c. 750–821),
Bishop of Salzburg and afterwards its first
archbishop •
Arn Tellem (born 1954), American sports executive and player agent •
Arn von Endsee (died 892), Bishop of Würzburg from 855 until his death in 892
Surname •
Edward F. Arn (1906–1998), governor of the U.S. state of Kansas •
Gréta Arn (born 1979), Hungarian professional tennis player
Fictional characters • Arn, the protagonist's friend in
Hal Foster's
Prince Valiant comic strip, and Valiant's first son, named after the friend • Arn Magnusson, the fictional main character in the
Crusades trilogy (1998–2000) by Swedish author
Jan Guillou, as well as the film adaptation
Arn: The Knight Templar (2007) based on the first two books of the trilogy
Others •
Arn., taxonomic author abbreviation of
George Arnott Walker-Arnott (1799–1868), Scottish botanist • Arn, an alien species in the
Animorphs series by K. A. Applegate, featured in the books
The Hork-Bajir Chronicles (1998) and
The Prophecy (1999) ==Abbreviation==