Karl Johan Fjermeros was a Norwegian politician for the Liberal Party.

He was born in Høvåg

Høvåg

Høvåg is a village and former municipality in Aust-Agder county, Norway. It is located in the present-day municipality of Lillesand in the Sørlandet region....

.

He was elected to the Norwegian Parliament from Vest-Agder

Vest-Agder

In the 16th century, Dutch merchant vessels began to visit ports in southern Norway to purchase salmon and other goods. Soon thereafter the export of timber began, as oak from southern Norway was exceptionally well suited for shipbuilding...

 in 1945, but was not re-elected in 1949.

Fjermeros was a member of the executive committee of Oddernes

Oddernes

Oddernes is a former municipality in Vest-Agder county in Norway. It is located in the present-day municipality of Kristiansand. The former municipality of Oddernes encircled the city of Kristiansand, and it encompassed villages such as Flekkerøy, Vågsbygd, Slettheia, Lund, Strai, Mosby, Justvik,...

 municipality council in the periods 1936–1937, 1922–1925 and 1925–1928, and then served as mayor from 1928 to 1941 as well as briefly in 1945. In 1945 he was also briefly chairman of Vest-Agder county council. He was also acting County Governor of Vest-Agder from May to June 1945.

Outside of politics, he worked as a school teacher from 1908. In 1945 he was promoted to school inspector; from 1947 to 1965 he was the regional school director.