Bernt Anker (22 November 1746 – 21 April 1805) was a Norwegian merchant, chamberlain and playwright.
He was born in Christiania, the son of Christian Ancher and a brother of Peder Anker and cousin of Carsten Anker.
His business included trade in timber on a large scale, with a large income from supplying the fleet of England.
He eventually became the wealthiest person in Norway.
Among his properties were Frogner Manor and Moss Jernverk.