| Johan Undrum | |
| Birth Date: | 7 October 1880 |
| Birth Place: | Våle, Norway |
| Nationality: | Norwegian |
| Occupation: | Politician |
Johan Undrum (7 October 1880 - 14 March 1940) was a Norwegian politician.
He was born in Våle to Christian Gerhard Undrum and Hanna Mathilde Olsen. He was elected representative to the Storting for several periods, 1931 - 1945, for the Conservative Party.[1]