Johan Wiik (8 March 1885 - 3 October 1970) was a Norwegian politician for the Labour Party.
He was born in Fosnes.
He was elected to the Norwegian Parliament from Nord-Trøndelag in 1928, and was re-elected on six occasions.
Wiik was deputy mayor of Namsos municipality 1925 - 1926 and mayor in 1927 - 1928.