Bernhard Tandberg was a Norwegian farmer and politician.

He was born at Rustad in Lier

Lier, Norway

Lier is an affluent municipality in Buskerud county, Norway. The administrative centre of the municipality is the village of Lier. The municipality of Lier was established on 1 January 1838...

 as a son of farmers Hans Andreas Tandberg and Olava M. Skaugstad. He took secondary education in Drammen

Drammen

Drammen is a city in Buskerud County, Norway. The port and river city of Drammen is centrally located in the eastern and most populated part of Norway.-Location:...

 from 1867 to 1872, and later settled in Nes, Buskerud

Nes, Buskerud

Nes is a municipality in Buskerud county, Norway. It is part of the traditional region of Hallingdal. The administrative centre of the municipality is the village of Nesbyen....

. He took over some forest owned by his father in 1881, and the family farm in 1887. He was also a timber merchant from 1886 and local savings bank director from 1888. He became a member of Nes municipal council in 1885, and served as mayor from 1892 to 1898. He was elected to the Parliament of Norway in 1900

Norwegian parliamentary election, 1900

-Results:...

, representing the constituency of Buskeruds Amt

Buskerud

is a county in Norway, bordering Akershus, Oslo, Oppland, Sogn og Fjordane, Hordaland, Telemark, and Vestfold. The county administration is located in Drammen.-Geography:...

. He did not win re-election until 1909

Norwegian parliamentary election, 1909

-Results: Liberal Left Party is part of coalition with Conservative Party-References:***...

. The constituency was now called Hallingdal

Hallingdal

Hallingdal is a valley and traditional district in Buskerud county in Norway. It consists of the municipalities of Flå, Nes, Gol, Hemsedal, Ål and Hol.-History:Ancient routes went to Vestlandet through Valdres and Hallingdal and down Røldal to Odda...

, a single-member constituency.