BGN may refer to: Biglycan, a protein coded by the BGN gene Bulgarian lev, the currency of Bulgaria by ISO 4217 code The Western Balochi language (ISO code: bgn) The United States Board on Geographic Names Belaya Gora Airport, Yakutia, Russia Blessed George Napier Roman Catholic School, Banbury, UK 802.11b/g/n, a designation indicating device support for certain wireless computer networking standards Busch Grand National, former name for the NASCAR Xfinity Series