Johan Jakob Rambach Dreyer (29 March 1861 – 15 June 1952) was a Norwegian book printer.
He was born in Stavanger as a son of book printer Paul Terchelsen Dreyer (1819–1908) and Ingeborg Marie Hellern.
In 1899 he married ship-owner's daughter Ragna Berg (1871–1938).
From 1898 he also owned and ran his father's book print.
[2] He was also a consul for Germany since 1931, chair of several local organizations[3] and a benefactor for the Norwegian Ornithological Society.