Parliamentary elections were held in Norway on 12 and 13 September 1965. The Labour Party remained the largest party, winning 68 of the 150 seats. However, the four non-socialist parties succeeded in winning a majority between them and forming a government. Per Borten, the leader of the Centre Party, became prime minister.
Contesting parties
{| class="wikitable"
|-
! rowspan=2 colspan=3 width=225px | Name
! rowspan=2 | Ideology
! rowspan=2 | Position
! rowspan=2 | Leader
! colspan=2 | 1961 result
|-
! Votes (%)
! Seats
|-
! style="background:; width:2px;"|
| align=center | Ap
| Labour Party<br /><small>Arbeiderpartiet</small>
| Social democracy
| Centre-left
| Einar Gerhardsen
| align=center | 46.7%
|
|-
! style="background:; width:2px;"|
| align=center | H
| Conservative Party<br /><small>Høyre</small>
| Conservatism
| Centre-right
|John Lyng
| align=center | 19.2%
|
|-
! style="background:; width:2px;" |
| align="center" | KrF
| Christian Democratic Party<br /><small>Kristelig Folkeparti</small>
| Christian democracy
| Centre to centre-right
| Einar Hareide
| align="center" | 9.3%
|
|-
! style="background:; width:2px;" |
| align="center" | V
| Liberal Party<br /><small>Venstre</small>
| Social liberalism
| Centre
|Gunnar Garbo
| align="center" | 7.2%
|
|-
! style="background:; width:2px;" |
| align="center" | Sp
| Centre Party<br /><small>Senterpartiet</small>
| Agrarianism
| Centre
| Per Borten
| align="center" | 6.8%
|
|-
! style="background:; width:2px;" |
| align="center" | NKP
| Communist Party of Norway<br /><small>Norges Kommunistiske Parti</small>
| Communism
| Far-left
|Reidar T. Larsen
| align="center" | 2.9%
|
|-
! style="background:; width:2px;" |
| align="center" | SF
| Socialist People's Party<br /><small>Sosialistisk Folkeparti</small>
| Socialism
| Left-wing to Far-left
|Knut Løfsnes
| align="center" | 2.3%
|
|}
Campaign
Slogans
{| class="wikitable" style="font-size:97%; text-align:left"
! colspan="2" style="text-align:left;" | Party
! Original slogan
! English translation
|-
| style="background:"|
| Labour Party
|"Nye muligheter - Nye mål"
|"New opportunities - New goals"
|-
| style="background:"|
| Conservative Party
|"På parti med fremtiden"
|"On the side of the future"
|-
| style="background:"|
| Liberal Party
|
|
|-
| style="background:"|
| Farmer's Party
|
|
|-
| style="background:" |
|Christian Democratic Party
|
|
|-
| style="background:" |
| Communist Party of Norway
|
|
|-
| colspan="4" | Sources:
|}
National daily newspaper endorsements
{| class="wikitable"
!Newspaper
!colspan=2|Party endorsed
|-
|Sør-Trøndelag
|bgcolor=|
|Liberal Party
|}
Results
Voter demographics
{| class="wikitable" style="text-align:right; font-size:95%;"
|-
! rowspan="3"| Cohort
! colspan="7" | Percentage of cohort voting for
|-
! scope="col" style="width:5em;"| Ap
! scope="col" style="width:5em;" | H
! scope="col" style="width:5em;" | V
! scope="col" style="width:5em;" | Sp
! scope="col" style="width:5em;" | KrF
! scope="col" style="width:5em;" | SF
! scope="col" style="width:5em;" | Others
|-
! style="background:" |
! style="background:" |
! style="background:" |
! style="background:" |
! style="background:" |
! style="background:" |
! style="background:" |
|-
|align=left| Total vote || style="background:#ffccd4;| 43.1% || 21.4%|| 10.9%|| 10.1%
| 8.9%|| 6.0%||
|-
! colspan="8" | Gender
|-
|align=left| Females || style="background:#ffccd4;| 44.1% || 22.3%|| 11%|| 8.7%
| 9.5%|| 3.9%||
|-
|align=left| Males || style="background:#ffccd4;| 43.9% || 19.1%|| 9.7%|| 10.3%
| 6.5%|| 8.2%||
|-
! colspan="8" | Age
|-
|align=left| 18–30 years old || style="background:#ffccd4;| 39.9% || 22.3%|| 10.1%|| 10.1%
| 7.6%|| 9.2% ||
|-
|align=left| 30-59 years old || style="background:#ffccd4;| 46.2% || 19.8%|| 10.9%|| 8.9%
| 6.1%|| 6.9%||
|-
|align=left| 60 years old and older || style="background:#ffccd4;| 40.9% || 22%|| 9%|| 11%
| 13%|| 1.7%||
|-
! colspan="8" | Work
|-
|align=left| low income || style="background:#ffccd4;| 43.4% || 13.3%|| 9.2%|| 15.3%
| 12.9%|| 4.2%||
|-
|align=left| Average income || style="background:#ffccd4;| 53.8% || 12.9%|| 10.5%|| 7.3%
| 5.8%|| 7.7%||
|-
|align=left| High income || style="background:#ffccd4;| 36.3% || 34.2% || 12.1%|| 5.1%
| 4.7%|| 6.8%||
|-
! colspan="8" |Education
|-
|align=left| Primary school || style="background:#ffccd4;| 59.5% || 7.2%|| 7.6%|| 8.9%
| 7.1%|| 7.2%||
|-
|align=left| High school || style="background:#ffccd4;| 38.1% || 24.2% || 11.9%|| 11.2%
| 8.7%|| 5.3%||
|-
|align=left| University/college || 13.1% || style="background:#cce4ff;| 53.7%|| 13.7%|| 5.1%
| 8%|| 5.1%||
|-
! colspan="11! |
|-
|align=left colspan="8" | Source: Norwegian Institute for Social Research
|}
Seat distribution
{| class="wikitable" style="text-align:center; font-size: 0.9em;"
! rowspan="3" |Constituency
! rowspan="3" |Total<br>seats
! colspan="6" |Seats won
|-
! class="unsortable" style="width:50px;" |Ap
! class="unsortable" style="width:50px;" |H
! class="unsortable" style="width:50px;" |V
! class="unsortable" style="width:50px;" |Sp
! class="unsortable" style="width:50px;" |KrF
! class="unsortable" style="width:50px;" |SF
|-
! style="background:;" |
! style="background:;" |
! style="background:;" |
! style="background:;" |
! style="background:;" |
! style="background:;" |
|-
! style="text-align: left;" |Akershus
!7
|3
|2
|1
|1
|
|
|-
! style="text-align: left;" |Aust-Agder
!4
|2
|1
|1
|
|
|
|-
! style="text-align: left;" |Bergen
!5
|2
|1
|1
|
|1
|
|-
! style="text-align: left;" |Buskerud
!7
|4
|2
|
|1
|
|
|-
! style="text-align: left;" |Finnmark
!4
|3
|1
|
|
|
|
|-
! style="text-align: left;" |Hedmark
!8
|5
|1
|
|2
|
|
|-
! style="text-align: left;" |Hordaland
!10
|3
|2
|2
|1
|2
|
|-
! style="text-align: left;" |Møre og Romsdal
!10
|3
|1
|2
|2
|2
|
|-
! style="text-align: left;" |Nord-Trøndelag
!6
|3
|
|1
|2
|
|
|-
! style="text-align: left;" |Nordland
!12
|6
|2
|1
|1
|1
|1
|-
! style="text-align: left;" |Oppland
!7
|4
|1
|
|2
|
|
|-
! style="text-align: left;" |Oslo
!13
|6
|5
|1
|
|
|1
|-
! style="text-align: left;" |Østfold
!8
|4
|2
|
|1
|1
|
|-
! style="text-align: left;" |Rogaland
!10
|3
|2
|2
|1
|2
|
|-
! style="text-align: left;" |Sogn og Fjordane
!5
|1
|1
|1
|1
|1
|
|-
! style="text-align: left;" |Sør-Trøndelag
!10
|5
|2
|1
|1
|1
|
|-
! style="text-align: left;" |Telemark
!6
|3
|1
|1
|
|1
|
|-
! style="text-align: left;" |Troms
!6
|3
|1
|1
|1
|
|
|-
! style="text-align: left;" |Vest-Agder
!5
|2
|1
|1
|
|1
|
|-
! style="text-align: left;" |Vestfold
!7
|3
|2
|1
|1
|
|
|-
! style="text-align: left;" |Total
!150
!68
!31
!18
!18
!13
!2
|-
|align=left colspan="8" |Source: Norges Offisielle Statistikk
|}