Johan Jørgen Lange Hanssen (18 November 1821 - 23 December 1889) was a Norwegian politician.
He was born in 1821 in Christiania as the son of jurist and politician Even Hanssen and his wife Barbara Abigael Lange.
[1] She hailed from Arendal, and was the daughter of government minister Otto Vincent Lange and Anne Nicoline Aall.
[4] Johan Jørgen Lange Hanssen moved to Arendal and became director of an insurance company, as well as of the local savings bank.
[1][5] He was elected to the Norwegian Parliament in 1874, representing the urban constituency of Arendal og Grimstad.