| Olaf Josef Johansen | |
| Birth Date: | 30 May 1879 |
| Birth Place: | Christiania, Norway |
| Death Date: | [1] |
| Nationality: | Norwegian |
| Occupation: | Politician |
| Known For: | Member of the Storting |
Olaf Josef Johansen (30 May 1879 – 20 January 1962[2]) was a Norwegian politician.
He was born in Christiania to Johan Johansen Reboli and Helene Marie Halvorsen. He was elected representative to the Storting from Oslo for five consecutive periods, first 1925 - 1927 and last time 1937 - 1945, for the Labour Party.[3]