Karl Nikolaus Berg (28 March 1826 - 26 January 1887) was a German politician from Frankfurt.
Berg was born to surgeon and military doctor Johann Gerhard Wilhelm Philipp and his wife Josephine Johanna Berg.[1] Berg became a lawyer in 1850[2] and was a notary from 1861. He became a senator in Frankfurt in 1865, and was named the second "Bürgermeister" of Frankfurt in 1868.[2][3]
Berg was a long time member of the Freies Deutsches Hochstift association, and took over from Otto Volger as its chairman in 1881.[4] He held this position until retirement in November 1885.[5] He was succeeded by Otto Heuer.
Berg died in 1887 aged 51.