Fredrik August Wessel-Berg (1809–1895) was a Norwegian civil servant and government official.

He then served as a bailiff in the Ørke- og Guledals fogderi in Søndre Trondhjem county from 1850 to 1857.

After leaving that post, he became a judge in the Vinger and Odal District Court from 1866 until his retirement in 1880.

[2] His father, Jens Christian Berg, was the magistrate of Søndre Jarlsberg in 1803–1814, and his mother, Hedevig Marie Elisabeth Wessel, was the daughter of a nephew of Peter Tordenskjold, Major Joachim Wessel.

First with Pauline Augusta Claussen, who died in 1872, and from 1879 with Elisabeth Margaretha Nilsen.