Events in the year 1965 in Norway.

• Monarch – Olav V
• President of the Storting –
• Prime Minister – Einar Gerhardsen (Labour Party)

From 12 October:

• Prime Minister – Per Borten (Centre Party)

• 4 February-1 April – the "Grenade Man", an unidentified person whom placed grenades and grenade traps in several places in Oslo, spreads fear in Oslo. The case remained unsolved despite the huge media coverage and public interest in the matter.
• 13 September – The 1965 Parliamentary election takes place.
• 12 October – Per Borten becomes Prime Minister of Norway
• 12 October – Borten's Cabinet was appointed.
• Norsk Hydro joins Elf Aquitaine and six other French companies to form Petronord to perform search for oil and gas in the North Sea.

• 4 January – Ragnvald Winjum, jurist and politician (b. 1917).^[113]
• 7 January – Arthur Nordlie, politician (b. 1883).^[114]
• 9 January – Ole Bergesen, politician (b. 1916)
• 9 January – Erik Haugland, painter and sculptor (b. 1894).^[115]
• 11 January – Arne Bjørndal, fiddler (b. 1882).^[116]

• 1 February – Einar Berntsen, speed skater and yacht racer (b. 1891).^[117]
• 1 February – Johan Scharffenberg, physician and writer (b. 1869).^[118]
• 2 February – Rolf Johannessen, footballer (b. 1910).^[119]
• 5 February – Rolf Lefdahl, gymnast (b. 1882).^[120]
• 6 February – Bjarne Henry Henriksen, politician (b. 1904).^[121]
• 18 February – Ragnar Hargreaves, yacht racer (b. 1907).^[122]
• 21 February – Aage Rosenqvist Pran, military officer (b. 1899).^[123]
• 22 February – Nanna With, editor and publisher (b. 1874).^[124]
• 23 February – Johannes Hygen, dean (b. 1876).^[125]

• 1 March – Edvard Welle-Strand, journalist (b. 1884).^[126]
• 3 March – Per Krohg, artist (b. 1889).^[127]
• 9 March – Torvald Haavardstad, politician (b. 1893).^[128]
• 10 March – Hans Gabrielsen, county governor (b. 1891).^[129]
• 14 March – Johan Beronka, priest and writer (b. 1885).^[130]
• 22 March – Herbrand Lavik, theatre critic and writer (b. 1901).^[131]

• 2 April – Jens Hundseid, Prime Minister (b. 1883).^[132]
• 3 April – Gudbrand Skatteboe, sport shooter (b. 1875).^[133]
• 15 April – Lauritz Bergendahl, Nordic combined skier (b. 1887).^[134]
• 19 April – Olaf Lange, painter and graphic designer (b. 1875).^[135]
• 23 April – Haldor Andreas Haldorsen, politician and industrialist (b. 1883).^[136]
• 28 April – Ingvald Møllerstad, photographer (b. 1893).^[137]
• 29 April – Finn Münster, gymnast (b. 1887).^[138]

• 6 May – Jens Bache-Wiig, industrialist (b. 1880).^[139]
• 7 May – Alf Bjørnskau Bastiansen, priest and politician (b. 1883).^[140]
• 15 May – Olav Skard, horticulturalist (b. 1881).^[141]
• 15 May – Hans Beyer, gymnast (b. 1889).^[142]
• 23 May – Helge Klæstad, Supreme Court justice (b. 1885).^[143]
• 25 May – Nils Tvedt, sport diver (b. 1883).^[144]

• 3 June – Hjalmar Riiser-Larsen, aviator, polar explorer and businessman (b. 1890, died in Denmark).^[145]
• 4 June – Sigmund Mowinckel, theologian (b. 1884).^[146]
• 16 June – Agnes Steineger, painter (b. 1863).^[147]
• 17 June – Thor Ørvig, sailor (b. 1891).^[148]

• 4 July – Hans Aasnæs, sport shooter (b. 1902).^[149]
• 10 July – Berge Sigval Natanael Bergesen, ship-owner (b. 1914).^[150]
• 11 July – Harald Johansen, footballer (b. 1887).^[151]
• 12 July – Sverre Reiten, politician (b. 1891).^[152]
• 13 July – Frithjof Lorentzen, fencer (b. 1896).^[153]
• 15 July – Einar Eriksen, rower (b. 1865).^[154]
• 17 July – Olliver Smith, modern pentathlete (b. 1898).^[155]
• 21 July – Robert Sjursen, gymnast (b. 1891).^[156]
• 21 July – Thor Martin Nilsen Sauvik, politician (b. 1889).^[157]
• 22 July – Kristoffer Skåne Grytnes, politician (b. 1887).^[158]
• 27 July – Gustav Natvig-Pedersen, politician (b. 1893).^[159]
• 30 July – Eivind Petershagen, politician (b. 1888).^[160]

• 6 August – Aksel Sandemose, novelist (b. 1899, died in Denmark).^[161]
• 8 August – Kristian Alfred Hammer, politician (b.1898)
• 11 August – Harald Halvorsen, gymnast (b. 1878).^[162]
• 16 August – Olav Hoprekstad, writer and language activist (b. 1875).^[163]
• 27 August – Karl Hansen, cyclist (b. 1902).^[164]

• 7 September – Oscar Fonbæk, athlete (b. 1887).^[165]
• 12 September – Elling Rønes, cross-country skier (b. 1882).^[166]
• 21 September – Thorstein Stryken, cyclist (b. 1900).^[167]

• 12 October – Alf Sommerfelt, linguist (b. 1892).^[168]
• 13 October – Andreas Honerød, politician (b.1905)
• 21 October – Karl Johan Pettersen Vadøy, politician (b.1878)
• 24 October – Trygve Thorsen, sculptor (b. 1892).^[169]
• 25 October – Sivert Aklestad, lyricist (b. 1889).^[170]
• 28 October – Egil Hylleraas, nuclear physicist (b. 1898).^[171]

• 13 November – Odd Borg, actor (b. 1931).^[172]
• 20 November – Per Jordbakke, yacht racer (b. 1932).^[173]
• 28 November – Aslaug Vaa, poet and playwright (b. 1889).^[174]

• 6 December – Wilhelm Rasmussen, sculptor (b. 1879).^[175]
• 9 December – Rasmus Andreas Torset, politician (b.1897)
• 10 December – Lars Christensen, ship-owner and whaling magnate (b. 1884).^[176]
• 12 December – Halvdan Koht, historian and politician (b. 1873).^[177]
• 16 December – Helen Upsaker, politician (b. 1896).^[178]
• 18 December – Aani Aanisson Rysstad, politician (b.1894)
• 18 December – Wilhelm Munthe, librarian (b. 1883).^[179]
• 20 December – Halvdan Wexelsen Freihow, theologian (b. 1883).^[180]
• 23 December – Carl Marstrander, linguist (b. 1883).^[181]