Biong Arkitekter AS (previously known as Biong & Biong Arkitektfirma A/S); is a Norwegian architecture firm.
The company was established in 1900 by Kristian Biong (1870-1959) . In 1930, he and his son Henrik Biong (1904-2000) established the firm under the name Biong & Biong. Since the 1990s, the company has specialized in sports venues.
Among the buildings designed by Biong Arkitekter are the Kongsseteren, Ullevaal Stadion, Briskeby Arena, Color Line Stadion, ÃÂ rÃÂ¥sen Stadion, Vikingskipet and Vallhall Arena.