Johannes Benedictus Klingenberg (28 April 1817 – 8 July 1882) was a Norwegian military officer and engineer. He was a son of bailiff Johan Nicolai Klingenberg (1777–1865), and also the uncle of pianist Alf Klingenberg (1867-1944), and the maternal grandfather and paternal granduncle of Odd Sverressøn Klingenberg and . He worked in the country's capital Christiania. He organized the waterworks of the city in 1855, and had a national influence in this field. He became leader of the city fire department in 1861. In the military, he held the rank of major.