Birn

Birn or variants may refer to:

BIRN

 * Biomedical Informatics Research Network (BIRN), a geographically distributed virtual community of shared resources relating to diagnosis and treatment of disease
 * Balkan Investigative Reporting Network
 * Berklee College of Music Internet Radio Network

Birn or Birns

 * Alex Birns (born 1907–1975), Jewish American mobster
 * Jack Birns (born 1919-2008), American photographer
 * Jerry Birn (born 1923-2009), American television writer
 * Laura Birn (born 1981), Finnish actress
 * Laura Bryan Birn (born 1965), American actress

Other uses

 * Dál Birn
 * Lóegaire Birn Búadach, Óengus Osrithe's son
 * Nem Moccu Birn (died 654), Irish saint