| Karsten Fonstad | |
| Birth Date: | 1900 7, df=y |
| Birth Place: | Ringsaker, Norway |
| Nationality: | Norwegian |
| Occupation: | Politician |
| Known For: | Member of the Storting |
Karsten Fonstad (8 July 1900 - 1970) was a Norwegian politician.
He was born in Ringsaker to Johannes Fonstad and Mathea Kristiansen. He was elected representative to the Storting for the periods 1934 - 1936 and 1937 - 1945, for the Labour Party.[1]