Halvor Bache Guldahl (18 March 1859 – 10 October 1931) was a Norwegian jurist, businessman, and County Governor of Nordre Trondheim.
He was born in the village of Beitstad in Nordre Trondheim county, Norway.
[2] From 1894 to 1902, he managed Ogndalsbruket, an operating company for forestry and related resources in the municipality.
[3] Guldahl was acting county governor from 1898 to 1902, while Ole Anton Qvam was member of Parliament and later government minister.
His will left large assets, including a collection of paintings, to Nord-Trøndelag County Municipality.