Johan Christian Johnsen (23 July 1815 – 2 February 1898) was a Norwegian politician, journalist, author, and editor.
[1][2] Johan Johnsen was born at Christianssand (now Kristiansand) in Vest-Agder, Norway.
He received trade education by working in several local merchant companies as well as in Antwerp.
Between 1879 and 1888, he published an encyclopedia in three volumes, Norsk Haandlexikon for almennyttige Kundskaber, and a short version Haandbog til Brug for alle : kortfattet Konversationslexikon.
Additionally he wrote and published a number of books, including volumes containing geographic and travel information.