| Office: | Leader of the Agrarian Party |
| Term Start: | 1948 |
| Term End: | 1954 |
| Predecessor: | Nils Trædal |
| Successor: | Per Borten |
| Office2: | Chair of the Standing Committee on Transport |
| Term Start2: | 23 January 1950 |
| Term End2: | 10 July 1955 |
| Predecessor2: | Position established |
| Successor2: | Elisæus Vatnaland |
| Office3: | Minister of Agriculture |
| Term Start3: | 25 June 1945 |
| Term End3: | 5 November 1945 |
| Primeminister3: | Einar Gerhardsen |
| Predecessor3: | Hans Ystgaard |
| Office4: | Member of the Norwegian Parliament |
| Term Start4: | 4 December 1945 |
| Term End4: | 10 July 1955 |
| Constituency4: | Hedmark |
| Birth Date: | 19 May 1893 |
| Birth Place: | Løten, Hedmark, Sweden-Norway |
Einar Frogner (19 May 1893 – 10 July 1955) was the leader of the Norwegian Agrarian Party 1948–1954, and Minister of Agriculture in 1945 in the Unification Cabinet of Einar Gerhardsen.[1] Frogner was a farmer by profession.[2]