Fredrik Arentz Krog (23 October 1844 – 6 April 1923) was a Norwegian barrister.

[2] He was married to Cecilie Thoresen in 1887,[3] and they had the son Helge Krog, who became a journalist and playwright.

[5] He attained to barrister with access to work with Supreme Court cases in 1922.

[5] Krog was decorated Knight, First Class of the Order of St. Olav in 1901.

This Norwegian law-related biographical article is a stub.