Nicolai Johan Lohmann Krog
First Minister of Norway
In office 1836–1855
Monarchs	Charles III Johan Oscar I
Prime Minister	Severin Løvenskiold
Governor	Count Wedel-Jarlsberg
Preceded by	Jonas Collett
Succeeded by	Jørgen Herman Vogt
Member of the Council of State Division in Stockholm
In office 1825, 1828, 1832, 1835, 1838, 1841, 1848, – 1850
Member of the Interim Government in Stockholm
In office 11 October 1852 – 12 April 1853
Personal details
Born	6 July 1787 Drangedal, Norway
Died	15 October 1856(1856-10-15) (aged 69) Christiania, Norway
Resting place	Christ kirkegård in Oslo
Spouse	Henriette (née Mathiesen)
Profession	Politician
Military service
Branch/service	Army and Navy
Years of service	52
Rank	Chief of the Ministry of the Army and Navy

Nicolai Johan Lohmann Krog (6 July 1787 – 15 October 1856) was First Minister of Norway (1836–1855). He also held several other ministerial posts in the period 1821–1855 including Chief of the Ministry of the Army and Navy.^[1]

Krog was born at Drangedal in Telemark, Norway. He was the son of Andreas Christian von Krogh and Else Marie Poppe. He grow up at Gran Rectory in Hadeland(Gran prestegård på Hadeland) where his father was parish priest. Krog started his military education as a cadet at the Norwegian Land Cadet Corps in Christiania (now Oslo). He graduated as a second lieutenants in 1805.^[2]

In 1814, he was in the service of Prince Christian Frederik of Denmark as adjutant in his general staff. Krog was promoted to Major in 1815. From July 1816, he was commanding chief of the Royal Norwegian Military Academy. He was promoted to lieutenant colonel in 1817. In 1821, Krog was called to Stockholm as acting minister, and followed Crown Prince Oscar on his European tour to find a bride. He served as First Minister of Norway from 1836 to 1855. He resigned as a government minister in 1855 and died at Christiania in 1856 and was buried at Krist kirkegård.^[3]