| Oskar Øksnes | |
| Office: | Minister of Agriculture |
| Term Start: | 15 January 1976 |
| Term End: | 14 October 1981 |
| Primeminister: | Odvar Nordli Gro Harlem Brundtland |
| Predecessor: | Thorstein Treholt |
| Successor: | Johan C. Løken |
| Office2: | State Secretary for the Ministry of Agriculture |
| Term Start2: | 17 April 1964 |
| Term End2: | 12 October 1965 |
| Minister2: | Leif Granli |
| Office3: | Deputy Member of the Norwegian Parliament |
| Term Start3: | 1 October 1961 |
| Term End3: | 30 September 1965 |
| Constituency3: | Nord-Trøndelag |
| Birth Name: | Oskar Ingemann Øksnes |
| Birth Date: | 11 April 1921 |
| Birth Place: | Kvam Municipality, Norway |
| Party: | Labour |
Oskar Ingemann Øksnes (11 April 1921 - 27 March 1999) was a Norwegian politician for the Labour Party. He was born in Kvam Municipality in Nord-Trøndelag. An agronomist by education, Øksnes was state secretary to the Minister of Agriculture from 1964 to 1965, during the Gerhardsen's Fourth Cabinet. He later became Minister of Agriculture in 1976, and served in the post until 1981 in Nordli's Cabinet and Brundtland's First Cabinet.
He was decorated Knight, First Order of the Royal Norwegian Order of St. Olav in 1987.